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WO2014066730A1 - Cigarette électronique - Google Patents

Cigarette électronique Download PDF

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Publication number
WO2014066730A1
WO2014066730A1 PCT/US2013/066755 US2013066755W WO2014066730A1 WO 2014066730 A1 WO2014066730 A1 WO 2014066730A1 US 2013066755 W US2013066755 W US 2013066755W WO 2014066730 A1 WO2014066730 A1 WO 2014066730A1
Authority
WO
WIPO (PCT)
Prior art keywords
heater
electronic cigarette
cartridge
battery
user
Prior art date
Application number
PCT/US2013/066755
Other languages
English (en)
Inventor
Matthew STEINGRABER
Danielle STEINGRABER
Michael Murray
Original Assignee
Lbs Imports, Llc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lbs Imports, Llc. filed Critical Lbs Imports, Llc.
Publication of WO2014066730A1 publication Critical patent/WO2014066730A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/06—Inhaling appliances shaped like cigars, cigarettes or pipes
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • A24F40/53—Monitoring, e.g. fault detection
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/60—Devices with integrated user interfaces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/04—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised
    • A61M11/041—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters
    • A61M11/042—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters electrical
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0001—Details of inhalators; Constructional features thereof
    • A61M15/0003—Details of inhalators; Constructional features thereof with means for dispensing more than one drug
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0001—Details of inhalators; Constructional features thereof
    • A61M15/0021—Mouthpieces therefor
    • A61M15/0023—Mouthpieces therefor retractable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0065—Inhalators with dosage or measuring devices
    • A61M15/0068—Indicating or counting the number of dispensed doses or of remaining doses
    • A61M15/008—Electronic counters
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0015—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
    • A61M2016/0018—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical
    • A61M2016/0021—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical with a proportional output signal, e.g. from a thermistor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • A61M2016/0039—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the inspiratory circuit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/18—General characteristics of the apparatus with alarm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3375—Acoustical, e.g. ultrasonic, measuring means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/36—General characteristics of the apparatus related to heating or cooling
    • A61M2205/3653—General characteristics of the apparatus related to heating or cooling by Joule effect, i.e. electric resistance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/50—General characteristics of the apparatus with microprocessors or computers
    • A61M2205/502—User interfaces, e.g. screens or keyboards
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/82—Internal energy supply devices
    • A61M2205/8206—Internal energy supply devices battery-operated

Definitions

  • the Nichrome wire wound around the wick is assembled by hand, at various tensions and using various numbers windings. Sometimes there will be four windings around the wick, and sometimes there may be six.
  • the current e-cigarette cartridge assembly has a potential to leak nicotine liquid. This condition will reduce shelf life and convey inferior quality to the consumer.
  • the batteries elicit unacceptable power output variability.
  • capillary action to the wick varies in volume.
  • the vacuum switch located at the ash tip end of most E cigarettes, the user draws air at the mouthpiece through the vacuum switch, across the battery and all of the electronic components, and into the lungs. Thus picking up any vapors that may be present as these components outgas over time.
  • the anode collars on the battery assembly and the heater cartridge assembly are a press fit configuration.
  • the internal wires of the heater cartridge assembly and the internal wires of the battery assembly often exhibit a lack of proper insulation. Should a consumer thread a battery onto a heater cartridge assembly over tightening may occur, resulting in a broken seal between the anode collar and the outer steel casing. When this occurs, continuous over tightening will twist the internal wires of the battery cartridge assembly causing a failure to all components.
  • the electrical contacts in the anode collar assemblies are supported by a silicone insulating tube, which creates a spring action. When a consumer threads the heater
  • the silicone tube may over compress causing a failure.
  • the heater cartridge assemblies are filled with E liquid by hand, this method can result in an unacceptable level of variability, with respect to the useful life of the
  • the current battery design requires two or more hours to recharge.
  • Fig. 1 are perspective side views of one embodiment of the present invention.
  • Fig. 2 is plan view of the inner components of one embodiment of the present invention.
  • Fig. 3 perspective separated view of the inner components of one embodiment of the present invention.
  • Fig. 4 is a view of an open unit showing interior components.
  • Fig. 5 demonstrates a graphic user interface of the present invention.
  • Fig. 6 is separated perspective view of a two-cartridge
  • Fig. 7 is perspective view showing an open and closed unit.
  • Fig. 8 is a plan view of interior components.
  • Fig. 9 shows separated and assembled views of one embodiment.
  • Fig. 10 is a view of internal components of the tip and body.
  • Fig. 11 shows multiple internal components.
  • Fig. 12 is a view of internal components of the invention.
  • Fig. 13 shows detailed view of several internal components.
  • Fig. 14 shows components incorporated into the tip.
  • Fig. 15 shows one embodiment of a liquid cartridge of the present invention with heating component associated therewith.
  • the present invention overcomes the problems referenced in the background of invention section by providing a device 10 having a metal frame, 14, and two external plastic panels, a first external plastic panel 12 and a second external plastic panel 24, a removable side cover 26 that is configured to provides an air inlet, a mouthpiece 16, a vapor/pressure/atomizer cavity 40 (which houses two cartridges and vacuum switch) , an electronics cavity 39 sealed from the vapor cavity (which houses the main PCBA 36, that includes the microprocessor with PWM circuitry, battery 38, speaker, microphone, secondary PCBA with LED' s for battery-the figures do not specifically show the speaker, microphone, secondary PCBA with LED' s for battery because they are configured and integral with main PCBA 36) , a button
  • Device 10 has an opening 22 for accessing micro USB 37.
  • Some of the advantages of the present invention are that it allows for users to mix flavors of nicotine, have increased time between battery recharges, and liquid cartridge changes.
  • GUI/computer or their own voice control and change the characteristics of how the device operates.
  • the battery component is completely segregated from the vapor stream that is inhaled by the user.
  • Mouthpiece
  • the present invention in one embodiment has a rotatable mouth tip 16, made of soft rubber material contained in the metal housing 14 by seal 72.
  • Tip 16 is
  • the cartridges include a cartridge body, 82, plug, 84, heating element 86, and cap, 88.
  • the proposed PCB, 36, for the new unit will be a rigid PCB in the bottom of the assembly.
  • the vacuum switch PCBA, 35 turns the unit on when a user inhales.
  • the PCB houses a Micro USB, 37, a vacuum switch, 35, a battery, 38, indication LED's, 20, and a microprocessor.
  • the connections to the heater and EEPROM go through a custom anode, 94.
  • the battery, 38 connects to the board using a Molex wire-to-board assembly .
  • Another embodiment of the present invention will allow the user to identify the remaining fluid in their cartridge without having to remove the cartridge or do a visual check.
  • the unit will be able to sense when there is a puff occurring by listening for the sound of inhalation.
  • air is drawn into the unit. This air creates a sound based on the configuration of the holes.
  • the microphone is tuned to the frequency of this sound and activates based on it. The microphone will not activate based on any other sound, thereby removing the possibility of a false activation. This alone will be used for heater activation; by obtaining the duration of the puff, users should be able to accurately predict the amount of liquid used in that puff.
  • the microphone Upon inserting a new liquid cartridge into the device and taking the first puff the microphone passes this information to the microcontroller.
  • the microcontroller calculates the amount of fluid used and passes that information to the EEPROM, 92. Once users reach 110% capacity, this allows for 10% in
  • the ADMP404 is a high quality, high performance, low power, and analog output bottom-ported omnidirectional MEMS microphone.
  • the unit includes a MEMS microphone element, an impedance converter, and an output amplifier.
  • the sensitivity specifications make it an excellent choice for near field applications.
  • the unit has a high SNR and flat, wideband frequency response, plus its low current consumption enables long battery life for portable applications.
  • the ADMP404 is halide free.
  • authentication refers to the process by which the system is limited to an operating state only when an
  • authenticated cartridge is secured therein.
  • Authentication includes, but is not limited to NVRAM, EPROM, EEPROM, EEPROM with a Serial No., Authentication chip, combinations thereof, and the like.
  • the cartridge is constructed and arranged in a manner such that the authentication is disabled and/or
  • one preferred embodiment requires the cartridge must have a way to guarantee uniqueness. Having unauthorized cartridges can lead to device failure and revenue loss.
  • Atmel ATSHA204 authentication chip was selected. This chip would provide all of the necessary features to implement the currently understood requirements .
  • the Atmel ATSHA204 provides: • SHA-256 hash algorithm
  • OTP One Time Programmable
  • EEPROM Electrically Erasable Programmable Read Only Memory
  • a simple EEPROM, 92 will allow the memory to be cleared and overwritten. By allowing the memory to be erased and re-written the user may reset their counters and change the number of uses. Additionally by allowing the memory to be erased and re-written the cartridges may also be refurbished by either the end customer or a third party.
  • the EEPROM will virtually provide no protection from cloning and this opens up the possibility of catastrophic failure of the unit. • A simple EEPROM will require an I2C interface, which requires two signal pins (Clock and Data) whereas the Atmel ATSHA204 would use the Atmel 1 wire interface with required only 1 data line. This makes the cartridge have one less mechanical interface contact to the main board.
  • I2C EEPROM will require an additional I2C switch on the main board which will add to its BOM cost ⁇ 40 cents in additional to the mechanical pins and require the use of a larger processor package for the CPU.
  • a simple EEPROM chip may be less expensive on paper and in the short term, but this does not include costs associated with the need for another printed circuit board in/on the cartridge .
  • EPROM Electrically Programmable Read Only Memory
  • the microcontroller has an embedded PWM (Pulse Width
  • Modulation waveform generator which creates repeating pulses of voltage with varying pulse widths. These voltage pulses are used as control inputs to power switches, which provide power to the cartridge heating elements. While the voltage from the PWM Controller is high the PWM switches pass power from the system battery to the heating elements an is shown in Table 3 below
  • the temperature will stabilize based upon the average power applied to the coil and the combination of the thermal
  • the most significant heat dissipation mechanism is the evaporating glycol liquid. As the glycol evaporates the heat goes into the glycol rather than heating the heating element further.
  • the average power delivered to the coil is controlled which in turn directly affects the amount of glycol being vaporized at any given time.
  • the present invention will control the mixture of the two e-cig cartridges to allow the user to customize the mixture on the fly.
  • the PWM switches draws power straight from the system battery. Due to the fact that the battery voltage will drop as it is loaded down the software will need to adjust the PWM Duty Cycle to maintain a constant average power over the entire battery discharge life. The user will specify a percentage from 0% to
  • microcontroller software will limit the e-cig drag time to a predetermined amount of time followed by a predetermined cooling off period. Additionally the microcontroller will have a
  • the present invention utilizes a prismatic 3.7v 1,300mAh LiPo rechargeable battery, 38, placed in the bottom of the unit with the PCBA, 10, and connected via a 28AWG wire-to-board Molex connector for ease in assembly. LiPo presents a safer alternative to Li-ion batteries in that they do not create as much heat or swelling during discharge. In
  • LiPo will not typically explode during a catastrophic failure of the casing.
  • the prismatic shape is necessary to maximize the capacity of the battery relative to the space allowed. By increasing the battery capacity to 950mAh the user will enjoy a large increase in time between charging even with two cartridges.
  • micro-USB type B In another embodiment of the present invention has a small piezoelectric speaker, similar to those used in inner-ear hearing aids was to be placed on the PCBA, 36.
  • the speaker would provide status tones for fluid and battery level as well as simulate the crackling sound of a traditional cigarette.
  • Micro-USB type B Micro-USB type B:
  • the present invention incorporates a micro- USB type B female receptacle, 37, that are placed on the PCB, 36.
  • This USB is used in conjunction with a male micro USB type B cable for connection to a standard computer USB port as well as a separate inverter for use in a standard home electrical outlet.
  • the micro-USB serves to charge the device as well as interact with the GUI (see GUI) to control features of the device. The device will utilize both the data and the 5V
  • USB USB-to-Fi Protected Access
  • All charging circuitry is located on the PCB internally. Additionally this will allow connection to a mobile device such as tablets or smartphones. This
  • GUI Graphic User Interface
  • GUI has been developed to allow the user to control certain features and monitor certain states of their product.
  • the GUI will initially be available for access on both MAC and PC, with the GUI being stored internally to the device.
  • a further option available to the consumer, once connected to a computer, will be activation via the Internet allowing for additional features and
  • a plastic battery housing (which includes the main PCBA, 142, with potentiometers for heater control, battery, 144, speaker, microphone, USB/GUI connection, 114, OLED screen, 112, toggle button, 116) , a mouthpiece
  • housing/cartridge access door 108, e-liquid, 106 and heater cartridges, 104, air sensor, 146, a button mechanism to slide out the mouthpiece for use.
  • Some advantages of this embodiment include: mimic that of the preferred embodiment but give the user an OLED screen and rocker button that allows them to interact with their device manually.
  • the e-liquid cartridge and heating cartridge are separate, allowing for less waste per change out.
  • the front assembly, 108 snaps into the battery assembly, 102, via a guide post and snap feature.
  • the front assembly is the end that the user puts their mouth on to vaporize. The user can opt to use the mouth tip feature, or when the mouth tip, 120, is retracted they can just suck on the end of the front assembly at the elliptical opening.
  • the present invention has an extendable/retractable mouth tip 120, made of soft rubber material contained in the front assembly, 108.
  • This tip is moved forward by sliding the switch on the underneath of the housing, thus extending the tip.
  • a user is done (s)he can store the tip back inside the unit by sliding the switch in the reverse manner.
  • the tip is also interchangeable for hygienic purposes and can be changed to various shaped tips for personal preference .
  • the battery assembly, 102 has an access door, 118, that is translucent to let the user be able to see signals from the OLED screen, 112.
  • the door is also hinged to allow the user to open the door and access the OLED screen, 112, micro usb, 114, and the rocker switch, 116, for manipulating modes on the screen.
  • PCB PCB:
  • the proposed PCB, 142, for the new unit will be a rigid PCB in the battery assembly, 102.
  • the vacuum switch has been removed. Activation now takes place via an airflow sensor, 146.
  • the PCB houses an Air Flow Sensor, 146, at the anode collar, 140.
  • the proposed PCB is a 2-layer board with all SMT components mounted to top and bottom. There are two separate liquid cartridges, 106, each with their own heater, 104, controlled by a Digital Potentiometer allowing for variable heater intensity and
  • AUTHENTICAION go through a custom anode, 140, using conductive inks.
  • the battery, 144 connects to the board using a Molex wire-to-board assembly.
  • the PCB also includes an OLED display, 112, controlled with a rocker switch, 116.
  • the unit of the present invention will allow the user to identify the remaining fluid in their cartridge without having to remove the cartridge or do a visual check.
  • an Air Flow Sensor (AFS) , 146 embedded into the center of the anode collar the new unit will be able to sense when there is a change in air flow, i.e. a user taking a puff. This will be used for heater activation; by obtaining the duration of the puff, a user is able to accurately predict the amount of liquid used in that puff.
  • AFS Air Flow Sensor
  • the AFS Upon inserting a new liquid cartridge into the heater assembly and taking the first puff, the AFS passes this information to the microcontroller.
  • the microcontroller calculates the amount of fluid used and passes that information to the AUTHENTICAION, 162.
  • the AUTHENTICAION acts as an accumulator. Once users reach 110% accumulation the unit no longer will activate the heater until a new liquid cartridge is inserted. The purpose of allowing the unit to achieve 110% is to allow for a 10% margin of error in liquid level calculation.
  • the PTFD10 is a thermal flow sensor die that measures the flow of a gaseous medium across the die using the thermo transfer (Calorimetric) principle.
  • the sensor die is comprised of a central heater element (resistor) , and two clusters of 20 thermocouples each positioned symmetrically up and downstream of the heater.
  • the upstream thermocouples are cooled by the flow and the downstream ones are heated due to heat transport from the heater in the flow direction.
  • the output signal is the differential voltage of up and downstream thermocouples.
  • thermocouples are used for temperature sensing instead of resistors, achieving ultra-low noise to signal, and enabling simplified circuitry.
  • an innovative solid thermal isolation base is used for the heater and the hot junctions of the thermocouples, eliminating fragile membrane or surface cavity.
  • the new unit will be able to sense when there is a puff occurring by listening for the sound of inhalation.
  • the frequency of the sound of inhalation should remain constant due to the configuration of the air intake holes on the device.
  • a user puffs on the device air is drawn into the unit, this air creates a sound based on the configuration of the holes.
  • the microphone is tuned to the frequency of this sound and activates based on it. The microphone will not activate based on any other sound, thereby removing the possibility of a false activation.
  • the microphone Upon inserting a new liquid cartridge into the heater assembly and taking the first puff the microphone passes this information to the microcontroller.
  • the microcontroller calculates the amount of fluid used and passes that information to the
  • the authentication acts as an accumulator. Once users reach 110% accumulation the unit no longer will activate the heater until a new liquid cartridge is inserted. The purpose of allowing the unit to achieve 110% is to allow for a 10% margin of error in liquid level calculation.
  • the ADMP404 is a high quality, high performance, low power, and analog output bottom-ported omnidirectional MEMS microphone.
  • the unit includes a MEMS microphone element, an impedance converter, and an output amplifier.
  • the sensitivity specifications make it an excellent choice for near field applications.
  • the unit has a high SNR and flat, wideband frequency response, plus its low current consumption enables long battery life for portable applications.
  • the ADMP404 is halide free.
  • the Liquid Cartridge, 106 will have a 4 pin, SPI interface, and an authentication device such as Non-Volatile Random Access Memory (NVRAM) chip, 162, embedded into the PCBA, 160.
  • NVRAM Non-Volatile Random Access Memory
  • the liquid cartridge will have 4 electrical contacts on it, 158, which will supply power and data lines from the
  • the authentication will contain an identifying serial number for use in quality control, easily allowing the manufacturer to identify product lots in the case of a needed product recall or other customer care issue.
  • the NVRAM will contain the data as to the current fluid level remaining in the fluid cartridge. This serves four purposes:
  • the present invention contemplates a configuration constructed to store all liquid level
  • Microcontroller would be informed of a new liquid cartridge being inserted via a simple switch in the heater assembly that became depressed once a cartridge was inserted. This presented multiple issues for evaluation:
  • the invention By placing the authentication on the fluid cartridge itself, and storing the liquid level state on it, the invention will bypass the above issues.
  • the microcontroller on the battery PCB makes a call to the authentication to update its usage and reads the previous state. This previous state information is then transmitted back to the battery assembly PCB and a determination is made at to the total liquid level remaining .
  • the NVRAM in one embodiment is desired due to its low price point and durability.
  • Technical information is as follows:
  • One preferred configuration is:
  • the present invention includes a custom socket 138, that has been configured to allow the heater
  • This socket is an injection molded part which then goes through a 3D-MID process (3D-MID stands for Molded Interconnect Devices or three-dimensional injection molded circuit boards.
  • the IC Socket has a total of 10 socket connections.
  • the socket also serves as a mount for the activation method (See Microphone and Air Flow Sensor) .
  • the present invention utilizes two digital potentiometers, one for each heater, to allow the user 5 "heater intensity" settings. These settings range from 2.8V to 3.5V. The user can select the settings via the OLED, 112, or the GUI . Many manufacturers, regardless of product, will activate devices (a heater in our case) with a variable pulse width modulation scheme (PWM) which creates confusion in what voltage is actually being applied to the heater, and has created much debate in the e-cig arena.
  • PWM pulse width modulation scheme
  • the invention has an adjustable regulator that will output a constant DC voltage based on a digital potentiometer. This method is extremely accurate. So if the unit is sending a certain voltage, it will be that voltage without any question. It is not pulsing, it is constant, and so there are no pulse widths to measure and average (Vrms) .
  • the present invention utilizes a 52x36 pixel OLED display, 112.
  • the display will be used to show battery and liquid life in each cartridge, as well as heater intensity of each heater.
  • the OLED is paired with a miniature rocker switch, 116, which allows the user to cycle through the different screens as well as makes changes to the variable voltage function.
  • the logic of the screen and rocker is as follows:
  • the screen is off
  • the user depresses the rocker switch, the screen turns on. 3.
  • the screen displays a logo for 3 seconds.
  • the screen displays the remaining battery life.
  • the screen displays battery life screen.
  • the screen displays cartridge 1 heater intensity
  • the screen displays cartridge 2 life.
  • the screen displays cartridge 2 heater intensity.
  • the screen displays the battery life.
  • the present invention utilizes a prismatic 3.7v l,300mAh LiPo rechargeable battery, 144, placed in the top of the unit and connected via a 28AWG wire-to-board Molex connector for ease in assembly.
  • LiPo was chosen due to its high-energy capacity and low self-discharge rate. LiPo also presents a safer alternative to Li-ion batteries in that they do not create as much heat or swelling during discharge. In addition a LiPo will not typically explode during a catastrophic failure of the casing.
  • prismatic shape is necessary to maximize the capacity of the battery relative to the space allowed.
  • the battery capacity By increasing the battery capacity to l,300mAh the user will enjoy a large increase in time between charging.
  • the battery should provide:
  • Battery of 1300mAh converted to seconds is 4,680,000 of 1mA current .
  • a fuel gauge will also be implemented onto the PCB to provide the user a readout of their current charge level via the OLED display, which can be checked at any time. When battery is depleted the OLED, 7, will flash red indicating a charge is needed.
  • the fuel Gauge will also provide information to the GUI (graphical user interface) when connected to a computer and provide additional information such as the number of charges to date, the amperage and voltage, and diagnostics.
  • a small piezoelectric speaker similar to those used in inner- ear hearing aids was to be placed on the PCB, 142, in the battery assembly. 102.
  • the speaker would provide status tones for fluid and battery level as well as simulate the crackling sound of a traditional cigarette.
  • Micro-USB type B is a Micro-USB type B
  • the present invention incorporates a micro- USB type B female receptacle, 114, that are placed on the PCB, 142.
  • This USB is used in conjunction with a male micro USB type B cable for connection to a standard computer USB port as well as a separate inverter for use in a standard home electrical outlet.
  • the micro-USB serves to charge the device as well as interact with the GUI (see GUI) to control features of the device.
  • the device will utilize both the data and the 5V electrical lines in the USB. All charging circuitry is located on the PCB internally. Additionally this will allow connection to a mobile device such as tablets or smartphones. This
  • GUI Graphic User Interface
  • GUI has been developed to allow the user to control certain features and monitor certain states of their product.
  • the GUI will initially be available for access on both MAC and PC, with the GUI being stored internally to the device.
  • a further option available to the consumer, once connected to a computer, will be activation via the Internet allowing for additional features and
  • a new heater configuration 104, 156, 158, utilizes 1300 mA at every activation, and units are using a 3.7 V 1300 mA hour battery and are creating a vapor of approximately 3.75 ⁇ L at each activation. This is a 24% less power usage than the old configuration and a 100% increase in vapor output.
  • the new heater performance in 1.5 seconds is 375°F and in 2 seconds reaches 390°F. This is due to the new heater configuration that optimizes resistance versus surface area of heater that makes contact with the e liquid.
  • Our new heater configuration is a custom configuration that does not exist in the marketplace right now. The present
  • Nichrome wire wrapped around a wick only makes contact with the E liquid by approximately 1/2 the diameter of the
  • Nichrome wire This configuration minimizes the wire contact with the liquid thus producing less vapor during each activation.
  • Another advantage of this new heater configuration is a controlled manufacturing process, which produces repeatable results every time a unit is
  • the new method of manufacture for the heater assembly is a controlled manufacturing process that does not allow for the human error factor. This creates a better quality controlled manufactured product.
  • the complete heater pad assembly includes a Nichrome heater subassembly, a
  • the new heater assembly configuration is a
  • the unit includes a software application that will enable, via the GUI software, a user to adjust the heater to a
  • the present invention overcomes the problems referenced in the background of invention section by providing an oval e-cig configuration to maximize space while still emulating the feel of a traditional round e-cigarette.
  • This configuration includes a liquid cartridge/mouthpiece, 172, heater cartridge, 174 and battery assembly, 176 (which houses the anode, 174, PCBA, 187, vacuum switch, 186, battery, 188, speaker and microphone, micro USB port, 192) .
  • a SMT LED red, yellow, green
  • the LED will activate automatically after every 5 puffs taken. Once the fluid cartridge is empty the LED will flash red. The LED receives its information from the
  • microprocessor and the authentication located on the fluid cartridge This will provide the user with an easy way of monitoring liquid level without the need to remove the
  • Heater Cartridges To change the heater cartridges users will separate the heater assembly, 174, from the battery assembly, 176, by pulling. Next a user will pull out the liquid cartridge assemblies, 172, from the heater, 174. Each heater cartridge assembly is good for approx 5 liquid cartridge assembly uses. This eliminates the need for throwing away the heater assembly every time a user changes liquid cartridges.
  • the PCB, 187, for the present invention will be either a flex or rigid PCB spanning the entire length of the battery assembly, 176.
  • the vacuum switch has been removed. Activation now takes place via a signal from the digital potentiometer.
  • the digital potentiometer receives its signal to activate from either the air flow sensor or microphone.
  • the PCB houses a pressure transducer, 175, at the anode collar, 186, and Micro USB, 192, at the ash tip.
  • the proposed PCB is a four layer board with all SMT components mounted to top and bottom.
  • the connections to the heater and battery are rigid connections preventing twist and providing for stronger joints.
  • the pressure transducer 175, will identify the fluid level.
  • the new unit By utilizing a pressure transducer embedded into the center of the anode collar the new unit will be able to sense when there is a change in pressure, i.e. a user taking a puff. This alone could be used similar to the "old unit" for heater activation;
  • the present invention will be able to accurately predict the amount of liquid used in that puff.
  • the microcontroller calculates the amount of fluid used and passes that information to the authentication, 205.
  • the authentication acts as an accumulator. Once users reach 110% accumulation the unit no longer will activate the heater until a new liquid cartridge is inserted.
  • One purpose of allowing the unit to achieve 110% is to allow for a 10% margin of error in liquid level calculation. As the user depletes the liquid in the cartridge they are notified of the remaining liquid level via a LED ring on the anode collar. Green for >60% full, Yellow for >20% full, Red for ⁇ 20%. This feature allows the user to easily identify when a new liquid cartridge is needed. Once the user reaches -10% the collar flashes red and a new liquid cartridge must be inserted.
  • NVRAM NVRAM
  • the proposed Liquid Cartridge will have a four pin, SPI
  • Non-Volatile Random Access Memory NVRAM
  • 205 Chip embedded onto PCBA, 204 or other authentication as descried herein.
  • the liquid cartridge will have 4 electrical contacts on it, which will supply power and data lines from the NVRAM to the PCB.
  • the authentication will contain an identifying serial number for use in quality control, easily allowing the manufacturer to identify product lots in the case of a needed product recall or other customer care issue.
  • the authentication will contain the data as to the current fluid level remaining in the fluid cartridge. This serves four
  • the present invention in one embodiment, is configured to store all liquid level information on the PCB in the battery assembly.
  • the Microcontroller would be informed of a new liquid cartridge being inserted via a simple switch in the heater assembly that became depressed once a cartridge was inserted. This presented multiple issues:
  • the invention bypasses the above issues.
  • the microcontroller on the battery PCB makes a call to the authentication to update its usage and reads the previous state. This previous state
  • the NVRAM is desirable in one embodiment due to low price point and durability.
  • Technical information is as follows:
  • the new unit utilizes one digital potentiometer to allow the user 5 "heater intensity" settings. These settings range from 2.8V to 3.5V. The user can select the settings via GUI, Figure 5.
  • PWM pulse width modulation scheme
  • a custom "D” shaped 3.7v 850mAh LiPo rechargeable battery, 188, will be wrapped around the rigid PCB in the battery cartridge.
  • LiPo was chosen due to its high energy capacity and low self- discharge rate, as well as its ability to be custom shaped to the applications needs. LiPo also presents a safer alternative to Li-ion batteries in that they do not create as much heat or swelling during discharge. In addition a LiPo will not typically explode during a catastrophic failure of the casing.
  • the "D" shape is necessary to maximize the capacity of the battery relative to the space allowed. Being that the PCB sits uneven in the battery cartridge the battery itself has to be larger on one side and smaller on the other, or a shape similar to the letter "D".
  • the battery will have two rigid connections to the PCB decreasing the failure potential presently seen in light wire gauges. By increasing the battery capacity to 850mAh the user will enjoy a large increase in time between charging.
  • Battery of 850mAh converted to seconds is 3,060,000 of 1mA current.
  • the previous battery provided for 200-300 puffs, the invention allows for 1,091 puffs, a drastic increase.
  • a fuel gauge will also be implemented onto the PCB to provide the user a read out of their current charge level via a LED (see Ash Tip LED) on the ash tip, which can be checked at any time by pressing and holding the ash tip push button for 1 second. When battery is depleted the ash tip will flash red indicating a charge is needed.
  • the fuel Gauge will also provide information to the GUI (graphical user interface) when connected to a computer and provide additional information such as the number of charges to date, the amperage and voltage, and diagnostics.
  • a SMT LED RGB (red, blue, green) , 190 will be placed on the PCB near the ash tip, and will glow when the user is inhaling to simulate burning ash on a traditional cigarette.
  • a push button, 194 on the battery end, ash tip, will allow the user to select between six colors via color mixing as well as turning the LED completely off by a quick depress of the button. The seven modes will cycle upon pushing the button, e.g. ash tip is red, seven pushes of the button to be at the back a red ash tip.
  • the ash tip LED will also serve as a battery fuel indicator. Receiving its information from the Fuel Gauge located on the PCB, the LED will provide readout of the current battery charge. When the user depresses the pushbutton for one (1) second the LED will illuminate red, yellow, or green to alert the user to the state of charge. The user will automatically be informed with each state change after a puff. As an example, should the state change from green to yellow, the user will be
  • Micro-USB type B is a Micro-USB type B
  • the present invention provides a new dongle for charging and also has a micro-USB type B female adapter, 192, at the ash tip end for attaching to either a computer or adapters and at the opposite another dongle has a micro USB connection.
  • This is a simple push pull connection very typical of an average cell phone connection. No chance of over twisting or destroying the battery.
  • the present invention provides it will take between 15 min. and 40 min. to charge the new battery as well as the user is still able to use the device while charging.
  • the micro-USB serves to charge the device as well as interact with the GUI (see GUI) to control features of the device as shown below.
  • GUI Graphic User Interface
  • GUI has been developed to allow the user to control certain features and monitor certain states of their product.
  • the GUI will initially be available for access on both MAC and PC, with the GUI being stored internally to the device.
  • a further option available to the consumer, once connected to a computer, will be activation via the Internet allowing for additional features and registration of the device. Additional versions are being developed to operate on mobile devices such as tablets and smartphones.
  • a sample of the GUI display is show below. The main features included are as follows:
  • the heater configuration, 206 utilizes 800 mA at every
  • the new heater configuration is a custom configuration that does not exist in the marketplace right now.
  • the invention is utilizing a high heat plastic housing substrate and attaching Nichrome raceways in a stamped or laser cut manufacture process. The manufacturing process used to make this heater is a new configuration.
  • One of the advantages of the new heater configuration is the
  • the old method allows for the human error factor.
  • the new method of manufacture for the heater assembly is a controlled
  • the complete heater pad assembly includes of a Nichrome heater subassembly, a scavenging pad which works as a wick for the E liquid, five electronic pins for electronic transmission to electronic components, and an insulation ring which holds the scavenging pad up against the raceways on a high heat plastic perforated disc.
  • the insulation ring holds all the components together and also creates insulation between the heat of the tracings and the outer diameter of the electronic cigarette housing to minimize heat felt by the consumer at the touch of their fingers.
  • Another advantage of this new heater configuration is the capability of assembling all components in an automated assembly sequence. This automated assembly will also eliminate human error and increase the quality of the end product.
  • the new heater assembly configuration is a machine- manufactured configuration. This configuration will not allow for human error factor. Since an electronic circuit board is driving the new heater, the present invention includes software application that will enable us via the GUI software to adjust the heater to a preferred volume of vapor output via a digital potentiometer located on the main PCB. Adjusting the voltage and amperage to the heating element will control this.
  • the present invention overcomes the problems referenced in the background of invention section by including of a round e-cig configuration similar to current products but reduces the inefficiencies.
  • This configuration includes a liquid cartridge/mouthpiece, 216, heater cartridge, 214 and battery assembly, 212 (which houses the anode, 218, PCBA, 220, vacuum switch, battery, speaker and microphone) .
  • a SMT LED red, yellow, green
  • the LED will activate automatically after every 5 puffs taken. Once the fluid cartridge is empty the LED will flash red. The LED receives its information from the
  • microprocessor and the authentication located on the fluid cartridge This will provide the user with an easy way of monitoring liquid level without the need to remove the cartridge .
  • Capacitive touch technology of the present invention has been implemented into the liquid cartridge, 216. This technology is based on capacitive coupling, which takes human body capacitance as input.
  • the electrical contact 266 is media used for sensing, and is a copper ring, 266.
  • the copper ring was chosen over other methods of Indium tin oxide (ITO) and printed ink due to its lower price point and ease of assembly. Size and spacing of the capacitive touch sensor have proven to be very important to the sensor's performance. In addition to size and spacing the type of ground plane was also taken into
  • the proposed Vectra material provides an excellent ground plane due to its ability to limit the concentration of e-field lines when no conductive object is present.
  • the present invention has a unit airflow enters in at the anode collar, 218, through vent holes through the anode colors, through the silicone seal, into the heater assembly exiting the heater assembly into an air cooling chamber, and then through a hollow tube in the center of the liquid assembly cartridge assembly and into a user's lungs.
  • PCB configuration .
  • the PCB, 220, unit of the present invention provides for a new unit that will be either a flex or rigid PCB spanning the entire length of the battery assembly.
  • the vacuum switch has been removed. Activation now takes place via a capacitive touch sensor.
  • the PCB houses a pressure transducer at the anode collar, 218 and Micro USB, 232, at the ash tip configured to receive USB plug 236.
  • the proposed PCB is a 4-layer board with all SMT components mounted to top and bottom.
  • the connections to the heater and battery are rigid connections preventing twist and providing for stronger joints.
  • the new PCB configuration will also ease assembly by being able to simply slide into the plastic housing and snap on the ash tip and anode collar.
  • the pressure transducer, 221 will identify the fluid level.
  • the new unit By utilizing a pressure transducer embedded into the center of the anode collar the new unit will be able to sense when there is a change in pressure, i.e. a user taking a puff. This alone could be used similar to the "old unit" for heater activation;
  • the present invention will be able to accurately predict the amount of liquid used in that puff.
  • the pressure transducer, 221 Upon inserting a new liquid cartridge into the heater assembly and taking the first puff the pressure transducer, 221, passes this information to the microcontroller.
  • the microcontroller calculates the amount of fluid used and passes that information to the authentication, 262.
  • the NVRAM acts as an accumulator. Once users reach 110% accumulation the unit no longer will activate the heater until a new liquid cartridge is inserted.
  • One purpose of allowing the unit to achieve 110% is to allow for a 10% margin of error in liquid level calculation.
  • the new unit will allow the user to identify the remaining fluid in their cartridge without having to remove the cartridge or do a visual check.
  • a microphone, 238, embedded into the center of the anode collar the new unit will be able to sense when there is a puff occurring by listening for the sound of inhalation.
  • the frequency of the sound of inhalation should remain constant due to the configuration of the air intake holes on the device.
  • the microphone is tuned to the frequency of this sound and activates based on it. The microphone will not
  • the microphone Upon inserting a new liquid cartridge into the heater assembly and taking the first puff the microphone passes this information to the microcontroller.
  • the microcontroller calculates the amount of fluid used and passes that information to the
  • the authentication acts as an accumulator. Once we reach 110% accumulation the unit no longer will activate the heater until a new liquid cartridge is inserted. The purpose of allowing the unit to achieve 110% is to allow for a 10% margin of error in liquid level calculation.
  • the ADMP404 is a high quality, high performance, low power, and analog output bottom-ported omnidirectional MEMS microphone.
  • the unit includes of a MEMS microphone element, an impedance
  • the unit has a high SNR and flat, wideband
  • the ADMP404 is
  • the proposed Liquid Cartridge 270 will have a four pin, SPI interface, Non-Volatile Random Access Memory (NVRAM) , 262, chip embedded into it or can have any other authentication as discussed herein.
  • the liquid cartridge will have one electrical contact, 266, on it, held on by clip, 264, which will supply power and data lines from the authentication to the PCB .
  • NVRAM Non-Volatile Random Access Memory
  • the authentication will contain an identifying serial number for use in quality control, easily allowing the manufacturer to identify product lots in the case of a needed product recall or other customer care issue.
  • the authentication will contain the data as to the current fluid level remaining in the fluid cartridge. This serves four
  • NVRAM shows the fluid cartridge to be 110% empty the heater will no longer activate until a new fluid cartridge is inserted .
  • one embodiment provides for a configuration to store all liquid level information on the PCB in the battery assembly.
  • the Microcontroller would be informed of a new liquid cartridge being inserted via a simple switch in the heater assembly that became depressed once a cartridge was inserted .
  • NVRAM in one embodiment is preferred due to its low price point and durability.
  • the new unit utilizes one digital potentiometer to allow the user 5 "heater intensity” settings. These settings range from 2.8V to 3.5V. The user can select the settings via GUI, Figure 5. Manufacturers, regardless of product, will activate heaters with a variable pulse width modulation scheme (PWM) which creates confusion in what voltage is actually being applied to the heater. In this configuration is an adjustable regulator that will output a constant DC voltage based on a digital
  • the present invention is configured with a custom "e” shaped 3.7v 850mAh LiPo rechargeable battery, 212, will be wrapped around the rigid PCB in the battery cartridge.
  • LiPo was chosen due to its high-energy capacity and low self-discharge rate, as well as its ability to be custom shaped to the applications needs. LiPo also presents a safer alternative to Li-ion
  • the present invention encompasses the following calculations for the benefit battery optimization and should provide :
  • Battery of 850mAh converted to seconds is 3,060,000 of 1mA current .
  • the current range is 400-800mA and the present invention has found that vapor is produced over the entire range.
  • the heater can go up to 1.2A.
  • 50mA powers the LED's.
  • the present invention encompasses range of about 5mA up to as high as 150mA.
  • 40mA powers the pressure sensor/micro and support circuitry.
  • the present invention encompasses range of about 5mA up to as high as 116mA.
  • the previous battery provided for 200-300 puffs, the present invention should allow for 1,091 puffs, a drastic increase.
  • a fuel gauge will also be implemented onto the PCB to provide the user a read out of their current charge level via a LED (see Ash Tip LED) on the ash tip, which can be checked at any time by pressing and holding the ash tip push button for 1 second. When battery is depleted the ash tip will flash red indicating a charge is needed.
  • the fuel Gauge will also provide information to the GUI (graphical user interface) when connected to a computer and provide additional information such as the number of charges to date, the amperage and voltage, and diagnostics.
  • a SMT LED RGB (red, blue, green) , 240 will be placed on the PCB near the ash tip, and will glow when the user is inhaling to simulate burning ash on a traditional
  • a pushbutton, 234, on the battery end, ash tip will allow the user to select between six colors via color mixing as well as turning the LED completely off by a quick depress of the button.
  • the seven modes will cycle upon pushing the button, e.g. ash tip is red, seven pushes of the button to be at the back a red ash tip.
  • the ash tip LED will also serve as a battery fuel
  • the LED Receiving its information from the Fuel Gauge located on the PCB, the LED will provide readout of the current battery charge. When the user depresses the
  • the LED will illuminate red, yellow, or green to alert the user to the state of charge.
  • the user will automatically be informed with each state change after a puff. As an example, should the state change from green to yellow, the user will be automatically informed via the ash tip glowing yellow for one second after a puff is taken. The ash tip will also flash red once the battery is fully discharged.
  • the speaker would provide status tones for fluid and battery level as well as simulate the crackling sound of a traditional cigarette.
  • Micro-USB type B is a Micro-USB type B
  • the present invention provides a new dongle for charging and also has a micro-USB type B female adapter, 232, at the ash tip end for attaching to either a user' s computer or adapters and at the opposite another dongle has a micro USB connection.
  • This is a simple push pull connection very typical of a user' s average cell phone connection. No chance of over twisting or destroying the battery.
  • the present invention provides it will take between 15 min. and 40 min. to charge the new battery as well as the user is still able to use the device while charging.
  • the micro-USB serves to charge the device as well as interact with the GUI to control features of the device.
  • One configuration is shown below:
  • GUI Graphic User Interface
  • GUI has been developed to allow the user to control certain features and monitor certain states of their product.
  • the GUI will initially be available for access on both MAC and PC, with the GUI being stored internally to the device.
  • a further option available to the consumer, once connected to a computer, will be activation via the Internet allowing for additional features and registration of the device.
  • the main features included are as follows:
  • the new heater configuration, 256 & 252 utilizes 800 mA at every activation, and uses a 3.7 V 800 mA hour battery and is creating a vapor of approximately 3.75 ⁇ L at each activation. This is a 24% less power usage than the old configuration and a 100% increase in vapor output.
  • the new heater performance in 3 seconds is 375°F and in 5 seconds reaches 390°F. In another embodiment, the new heater performance in 3 seconds is 250 - 375°F an in 5 seconds reaches 300-500°F.
  • the present invention is utilizing a ceramic or nylon substrate and attaching Nichrome raceways almost in the same manner as laying up a circuit board.
  • the manufacturing process used to make this heater is a new configuration.
  • One of the advantages of our new heater configuration is the optimization of the surface area of the metal tracings that actually make contact with the E liquid which is wicked on to a fiberglass round disc Pad. By creating more surface area of the metal tracings making contact with the actual E liquid the present invention produces more vapor.
  • the old configuration heater utilizing .004 in diameter Nichrome wire wrapped around a wick only makes contact with the E liquid by approximately 1/2 the diameter of the
  • Another advantage of this new heater configuration is a controlled manufacturing process, which produces repeatable results every time a unit is manufactured.
  • the present invention also eliminates the human error factor in the old production method used in the old heater assembly where a line of 16 Chinese women are standing in line wrapping wire around a wick and soldering the wires together all in a hand assembly. The old method allows for the human error factor.
  • the new method of manufacture for the heater assembly is a controlled
  • the complete heater pad assembly includes a ceramic circuit board heater subassembly, a scavenging pad which works as a wick for the E liquid, five electronic pins for electronic transmission to electronic components, and an insulation ring which holds the scavenging pad up against the raceways on a ceramic perforated disc.
  • the insulation ring holds all the components together and also creates insulation between the heat of the tracings and the outer diameter of the electronic
  • the new heater assembly configuration is a machine- manufactured configuration. Since the electronic circuit board driving the new heater is included in developing a software application that will enable control via the GUI software to adjust the heater to a preferred volume of vapor output. It is contemplated that the amperage allowed to enter the heating element will control this. While the invention has been described in its preferred form or embodiment with some degree of particularity, it is understood that this description has been given only by way of example and that numerous changes in the details of construction,

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Abstract

La présente invention concerne une cigarette électronique équipée d'une entrée d'air, conçue et agencée pour être au contact d'une substance d'administration et minimiser un flux d'air sur des composants électroniques.
PCT/US2013/066755 2012-10-25 2013-10-25 Cigarette électronique WO2014066730A1 (fr)

Applications Claiming Priority (8)

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US201261718336P 2012-10-25 2012-10-25
US61/718,336 2012-10-25
US201261735164P 2012-12-10 2012-12-10
US201261735157P 2012-12-10 2012-12-10
US61/735,164 2012-12-10
US61/735,157 2012-12-10
US201314063066A 2013-10-25 2013-10-25
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