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US20050115877A1 - Water filter and treatment system and component - Google Patents

Water filter and treatment system and component Download PDF

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Publication number
US20050115877A1
US20050115877A1 US10/506,712 US50671204A US2005115877A1 US 20050115877 A1 US20050115877 A1 US 20050115877A1 US 50671204 A US50671204 A US 50671204A US 2005115877 A1 US2005115877 A1 US 2005115877A1
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US
United States
Prior art keywords
component
water treatment
electronic circuit
host apparatus
treatment system
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US10/506,712
Inventor
Lee Underwood
Graeme Wilson
Jonathan Fleisig
Steven Bryant
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Veolia Water Solutions and Technologies Support SAS
Original Assignee
OTV SA
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 OTV SA filed Critical OTV SA
Assigned to OTV SA reassignment OTV SA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FLEISIG, JONATHAN CHARLES, BRYANT, STEVEN JOHN, UNDERWOOD, LEE, WILSON, MARK GRAEME
Publication of US20050115877A1 publication Critical patent/US20050115877A1/en
Priority to US12/156,883 priority Critical patent/US7790022B2/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/143—Filter condition indicators
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4046—Means for avoiding false mounting of different parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/52—Filter identification means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/54—Computerised or programmable systems
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/006—Cartridges

Definitions

  • the present invention relates to a water filter and treatment component for use in host water treatment apparatus, and a system therefor.
  • quality monitors are usually installed either within or external to the water purification unit to monitor key water parameters on an ongoing basis.
  • these will include, but are not limited to, resistivity, conductivity, temperature, Total Organic Carbon (TOC), flow rate, etc.
  • components can often be installed and/or used in more than one position in a water treatment apparatus.
  • optimum performance of the apparatus can be obtained by using the components in different positions at different instances.
  • incorrect performance and/or positioning cannot currently be prevented, which may seriously undermine the water quality and production.
  • a water treatment component for use in a host water treatment apparatus, wherein the component has an electronic circuit adapted to co-operate with an electronic circuit in the host apparatus.
  • the host apparatus and separable water treatment component together comprise a water treatment system.
  • the co-operation may be one way, either from component to host or vice versa, or two-way.
  • the component circuit and host circuit can communicate via radio, infrared, or any other transmittable waveforms including optical and magnetic contact.
  • the circuits communicate by physical electrical contact for maximum robustness of connection, and to minimise interference by other means of communication.
  • co-operation of the circuits is only possible when the communication is correctly created, and this is only achieved when the component is correctly installed and/or fitted with the host apparatus.
  • Each electronic circuit preferably includes a memory capacity and a capability to read/interrogate the other electrical circuit.
  • the electrical circuit in the host apparatus preferably includes a central processor, and the electrical circuit in the component preferably includes or is a data chip, e.g. a microchip such as well known in the art.
  • the electronic circuit of the component is preferably integral with the component, and more preferably, is formed integrally with the component during the component manufacture.
  • the electronic circuit is preferably embedded into or mounted onto the component.
  • the electronic circuit of the component preferably includes a database having relevant data relating to that component such as validation information, process information, and/or manufacturing information.
  • Typical information includes, but is not limited to, date of manufacture, date of testing, operator, cartridge type, media type(s), media volumes, media lot numbers, quality control details, and possibly a unique reference code.
  • the data of the component electronic circuit could be encrypted.
  • the electronic circuit of the component provides an enablement signal to the electronic circuit of the host apparatus, and/or vice versa.
  • the enablement signal may include means for the component or host to control the other part.
  • the component and host inter-co-operate.
  • Information that can be communicated between the electronic circuits of the component and host generally include validation information, production information and/or manufacturing information. Such information in the component could be accessed from the component and be displayed by the host apparatus.
  • the same information in the system could be accessed via a separate reader device or otherwise communicated to a remote reader, for analysis and/or display.
  • the electronic circuit of the component includes at least a data tag, and the presence of the data tag is identified by the electronic circuit of the host apparatus upon correct fitment and/or installation of the component, which creates a two-way communication protocol.
  • the host apparatus can then upload relevant data from the data tag, etc. and the component's circuit can download the relevant information from the host apparatus.
  • lack of co-operation between the electronic circuit of the component and electronic circuit of the host apparatus indicates the incorrect fitment and/or installation of the component with the host apparatus, or incorrect location of a component on a host apparatus where more than one location is possible.
  • the lack of co-operation between the electronic circuit of the component and the electronic circuit of the host apparatus identifies incorrect operation of the component and/or host apparatus, e.g. a water leak.
  • the present invention extends to a water treatment component as hereinbefore defined useable with a host water treatment apparatus having a co-operable electronic circuit, as well as a host water treatment apparatus useable with a water treatment component as hereinbefore defined, as well as their co-operation to provide a water treatment system.
  • the electronic circuits of the component and host apparatus can co-operate in a manner as hereinbefore described.
  • the water treatment component of the present invention is a consumable and/or replacement unit such as a cartridge.
  • a similar treatment component useable with the host apparatus of the present invention is an operational unit.
  • Such operational units include means to sanitise and/or clean e.g. by way of disinfection and/or chemical cleaning, one or more parts of the host apparatus. This may be by means of a component that contains the sanitant or by the fitment of dummy components in place of components that may be damaged by the sanitant.
  • the present invention provides the benefits of electrical co-operation and data tagging. These include one or more of correct installation/fitting/use of components, correct location of relevant components in a host apparatus, error-free transfer of information of component origins and/or history, automatic start and/or use of components such as sanitisation units, and prevention of incorrect components, such as half-used components, and out of date or inappropriate components.
  • FIG. 1 showing a water treatment component and host water treatment apparatus according to one embodiment of the present invention.
  • FIG. 1 there is shown a first water treatment component 2 and a host water treatment apparatus 4 .
  • the host apparatus 4 has two component locations, one shown ready to receive the first component 2 , and one shown fitted with a second component 22 .
  • the component 2 has an embedded microchip 6 , which can co-operate with an electronic interface 8 on the host apparatus 4 .
  • the remaining part of the electronic circuitry in the host apparatus 4 is not shown.
  • the component 2 includes inlet and outlet water ports 10 a , 12 a , to fit with complementary inlet and outlet water ports 10 b , 12 b on the host apparatus.
  • the host apparatus includes a purified water outlet 14 , and an electronic display 16 .
  • the host apparatus 4 is a water purification unit, and the component 2 is a consumable resin cartridge.
  • the microchip 6 includes a database retaining product master records including date of manufacture of the component 2 , date of testing, operator, cartridge type, media type (within the component), media volume, media lot numbers, quality control details, and a unique reference code. Only the correct installation and fitting of the component 2 within the opening in the host apparatus 4 , allows the microchip 6 to engage and co-operate with the interface 8 on the host unit 4 .
  • the electronic circuitry in the host apparatus identifies the presence of a data tag on the component 2 , such that a two-way communication protocol is established.
  • the host apparatus 4 can upload relevant data from the microchip data tag 6 , and the micro chip data tag 6 can download relevant information from the host apparatus 4 .
  • the information uploaded to the host apparatus includes performance validation criteria such as lot numbers, dates and content type and property.
  • Information which is downloaded into the microchip data tag 6 includes date of commencement of operation and volume of water used on an ongoing basis. The combination of this information allows improvement in determination of consumable lifetime.
  • This information could be displayed on the display 16 on the host apparatus 4 . This could include visual warning of any incorrect operation, or end of life-time of the component 2 .
  • the host apparatus electronic circuitry can identify the presence, or not, of a data tag, it can be used to prevent leaks from the apparatus 4 , in that if a component is not fitted correctly with its data tag in place, then the apparatus 4 will not operate and thus prevent leaks occurring.
  • FIG. 1 shows a second separable water treatment component 22 . This may provide the same function as the first component 2 , or different. If different, an attempt to fit the first component 2 into the location of the second component 22 may provide an error signal or sign through the display 16 , thus ensuring that the host apparatus 4 is not compromised.
  • the memory in the host apparatus electronic circuitry could also detect if a particular data tag has been previously used in a particular position, and hence also prevent a situation where optimum performance is not obtained. Furthermore, if certain changes to the configuration of components is required prior to carrying out such functions as sanitisation then this configuration can be ascertained prior to entering that mode.
  • the present provides a number of clear advantages, including increased automation of information logging, prevention of use of components in an un-optimised manner, greater user awareness of remaining operational life time of components, and prevention of mis-connection/mis-installation which could compromise final water quality, etc.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

A water treatment system comprising a separable water treatment component and a host water treatment apparatus is described. The component is useable in the host apparatus, and has an electronic circuit which is adapted to co-operate with an electronic circuit in the host apparatus. In typical operation, the electronic circuit of the component includes at least a data tag, and the presence of the data tag is identified by the electronic circuit of the host apparatus upon correct fitment and/or installation of the component, which creates a two-way communication protocol. The host apparatus can then upload relevant data from the data tag, etc., and the component's circuit can download the relevant information from the host apparatus. The present invention provides the benefits of electrical co-operation and data tagging.

Description

  • The present invention relates to a water filter and treatment component for use in host water treatment apparatus, and a system therefor.
  • In the production of treated and/or purified water, for example ultra-pure water for laboratory use, several components are generally used in conjunction to provide the desired water quality. Some of these components may be used in parallel or in series, and some are more critical than others to the final water quality. Nevertheless, the full and correct performance of all the components is generally essential to guarantee the treated water quality.
  • To ensure that the final water quality is of the required standard, quality monitors are usually installed either within or external to the water purification unit to monitor key water parameters on an ongoing basis. Typically these will include, but are not limited to, resistivity, conductivity, temperature, Total Organic Carbon (TOC), flow rate, etc.
  • Notwithstanding the above monitoring, for certain applications, industry regulations require traceability of components that affect the final water quality. Typically, this information is required by companies producing pharmaceuticals or similar products. Currently, this is generally carried out by manual logging of component information.
  • Meanwhile, components can often be installed and/or used in more than one position in a water treatment apparatus. In other situations, optimum performance of the apparatus can be obtained by using the components in different positions at different instances. However, incorrect performance and/or positioning cannot currently be prevented, which may seriously undermine the water quality and production.
  • Additionally, it is a desire to know how much capacity or operational lifetime is retained within a component. However, as most components are sealed units, this is impossible to forecast before the component suddenly expires or breaks down, again potentially significantly affecting the water production. This may cause inconvenience to the user who would often prefer to schedule component changes at specific times.
  • It is an intention of the present invention to obviate the above disadvantages.
  • Thus, according to one aspect of the present invention, there is provided a water treatment component for use in a host water treatment apparatus, wherein the component has an electronic circuit adapted to co-operate with an electronic circuit in the host apparatus. The host apparatus and separable water treatment component together comprise a water treatment system.
  • The co-operation may be one way, either from component to host or vice versa, or two-way.
  • The component circuit and host circuit can communicate via radio, infrared, or any other transmittable waveforms including optical and magnetic contact. Preferably, the circuits communicate by physical electrical contact for maximum robustness of connection, and to minimise interference by other means of communication. Preferably co-operation of the circuits is only possible when the communication is correctly created, and this is only achieved when the component is correctly installed and/or fitted with the host apparatus.
  • Each electronic circuit preferably includes a memory capacity and a capability to read/interrogate the other electrical circuit. The electrical circuit in the host apparatus preferably includes a central processor, and the electrical circuit in the component preferably includes or is a data chip, e.g. a microchip such as well known in the art. The electronic circuit of the component is preferably integral with the component, and more preferably, is formed integrally with the component during the component manufacture. The electronic circuit is preferably embedded into or mounted onto the component.
  • The electronic circuit of the component preferably includes a database having relevant data relating to that component such as validation information, process information, and/or manufacturing information. Typical information includes, but is not limited to, date of manufacture, date of testing, operator, cartridge type, media type(s), media volumes, media lot numbers, quality control details, and possibly a unique reference code.
  • The data of the component electronic circuit could be encrypted.
  • According to one embodiment of the present invention, the electronic circuit of the component provides an enablement signal to the electronic circuit of the host apparatus, and/or vice versa.
  • The enablement signal may include means for the component or host to control the other part. Preferably, the component and host inter-co-operate.
  • Information that can be communicated between the electronic circuits of the component and host generally include validation information, production information and/or manufacturing information. Such information in the component could be accessed from the component and be displayed by the host apparatus.
  • If necessary or desired, the same information in the system could be accessed via a separate reader device or otherwise communicated to a remote reader, for analysis and/or display.
  • In typical operation, the electronic circuit of the component includes at least a data tag, and the presence of the data tag is identified by the electronic circuit of the host apparatus upon correct fitment and/or installation of the component, which creates a two-way communication protocol. The host apparatus can then upload relevant data from the data tag, etc. and the component's circuit can download the relevant information from the host apparatus.
  • In another embodiment of the present invention, lack of co-operation between the electronic circuit of the component and electronic circuit of the host apparatus indicates the incorrect fitment and/or installation of the component with the host apparatus, or incorrect location of a component on a host apparatus where more than one location is possible.
  • In another embodiment of the present invention, the lack of co-operation between the electronic circuit of the component and the electronic circuit of the host apparatus identifies incorrect operation of the component and/or host apparatus, e.g. a water leak.
  • The present invention extends to a water treatment component as hereinbefore defined useable with a host water treatment apparatus having a co-operable electronic circuit, as well as a host water treatment apparatus useable with a water treatment component as hereinbefore defined, as well as their co-operation to provide a water treatment system. The electronic circuits of the component and host apparatus can co-operate in a manner as hereinbefore described.
  • In a further embodiment of the present invention the water treatment component of the present invention is a consumable and/or replacement unit such as a cartridge. This includes water treatment units containing ion exchange resins, filters, media, etc.
  • According to a yet further embodiment of the present invention, a similar treatment component useable with the host apparatus of the present invention is an operational unit. Such operational units include means to sanitise and/or clean e.g. by way of disinfection and/or chemical cleaning, one or more parts of the host apparatus. This may be by means of a component that contains the sanitant or by the fitment of dummy components in place of components that may be damaged by the sanitant.
  • The present invention provides the benefits of electrical co-operation and data tagging. These include one or more of correct installation/fitting/use of components, correct location of relevant components in a host apparatus, error-free transfer of information of component origins and/or history, automatic start and/or use of components such as sanitisation units, and prevention of incorrect components, such as half-used components, and out of date or inappropriate components.
  • An embodiment of the present invention will now be described by way of example only, and with reference to the accompanying and diagrammatic FIG. 1 showing a water treatment component and host water treatment apparatus according to one embodiment of the present invention.
  • Referring to FIG. 1, there is shown a first water treatment component 2 and a host water treatment apparatus 4. The host apparatus 4 has two component locations, one shown ready to receive the first component 2, and one shown fitted with a second component 22.
  • The component 2 has an embedded microchip 6, which can co-operate with an electronic interface 8 on the host apparatus 4. The remaining part of the electronic circuitry in the host apparatus 4 is not shown.
  • The component 2 includes inlet and outlet water ports 10 a,12 a, to fit with complementary inlet and outlet water ports 10 b,12 b on the host apparatus.
  • The host apparatus includes a purified water outlet 14, and an electronic display 16.
  • The host apparatus 4 is a water purification unit, and the component 2 is a consumable resin cartridge.
  • The microchip 6 includes a database retaining product master records including date of manufacture of the component 2, date of testing, operator, cartridge type, media type (within the component), media volume, media lot numbers, quality control details, and a unique reference code. Only the correct installation and fitting of the component 2 within the opening in the host apparatus 4, allows the microchip 6 to engage and co-operate with the interface 8 on the host unit 4.
  • Once the component 2 is fitted correctly, the electronic circuitry in the host apparatus identifies the presence of a data tag on the component 2, such that a two-way communication protocol is established. Once communication has been made, the host apparatus 4 can upload relevant data from the microchip data tag 6, and the micro chip data tag 6 can download relevant information from the host apparatus 4. The information uploaded to the host apparatus includes performance validation criteria such as lot numbers, dates and content type and property. Information which is downloaded into the microchip data tag 6 includes date of commencement of operation and volume of water used on an ongoing basis. The combination of this information allows improvement in determination of consumable lifetime.
  • Some or all of this information could be displayed on the display 16 on the host apparatus 4. This could include visual warning of any incorrect operation, or end of life-time of the component 2.
  • Because the host apparatus electronic circuitry can identify the presence, or not, of a data tag, it can be used to prevent leaks from the apparatus 4, in that if a component is not fitted correctly with its data tag in place, then the apparatus 4 will not operate and thus prevent leaks occurring.
  • Moreover, if the component 2 could be fitted in more than one opening in the host apparatus 4, incorrect fitment of the component 2 in the wrong position could be prevented due to the unique identifier code on each data tag. In this regard, FIG. 1 shows a second separable water treatment component 22. This may provide the same function as the first component 2, or different. If different, an attempt to fit the first component 2 into the location of the second component 22 may provide an error signal or sign through the display 16, thus ensuring that the host apparatus 4 is not compromised.
  • The memory in the host apparatus electronic circuitry could also detect if a particular data tag has been previously used in a particular position, and hence also prevent a situation where optimum performance is not obtained. Furthermore, if certain changes to the configuration of components is required prior to carrying out such functions as sanitisation then this configuration can be ascertained prior to entering that mode.
  • The present provides a number of clear advantages, including increased automation of information logging, prevention of use of components in an un-optimised manner, greater user awareness of remaining operational life time of components, and prevention of mis-connection/mis-installation which could compromise final water quality, etc.

Claims (28)

1-29. (canceled)
30. A water treatment system comprising a host water treatment apparatus and a separable water treatment component, said component being useable in the host apparatus, wherein the component has an electronic circuit adapted to co-operate with an electronic circuit in the host apparatus.
31. A water treatment system as claimed in claim 30, wherein the co-operation between the component and the host apparatus is either one-way or two-way.
32. A water treatment system as claimed in claim 30, wherein the component circuit and the host circuit communicate via one or more of the following transmittable waveforms: radio, infrared, optical and magnetic.
33. A water treatment system as claimed in claim 30, wherein the component circuit and the host circuit communicate by physical electrical contact.
34. A water treatment system as claimed in claim 30, wherein co-operation of the component circuit and the host circuit is only possible when the component is conjoined with the host apparatus.
35. A water treatment system as claimed in claim 30, wherein the component circuit and/or the host circuit includes a memory capacity.
36. A water treatment system as claimed in claim 30, wherein each electronic circuit can read and/or interrogate the other electrical circuit.
37. A water treatment system as claimed in claim 30, wherein the electrical circuit in the host apparatus includes a central processor, and the electrical circuit in the component includes a data chip.
38. A water treatment system as claimed in claim 30, wherein the electronic circuit of the component provides an enablement signal to the electronic circuit of the host apparatus, and/or vice versa.
39. A water treatment system as claimed in claim 38, wherein the enablement signal includes means for the component or host apparatus to control the other part.
40. A water treatment system as claimed in claim 30, wherein the component and host inter-co-operate.
41. A water treatment system as claimed in claim 30, wherein the electronic circuit of the component includes at least a data tag.
42. A water treatment system as claimed in claim 41, wherein the presence of the data tag is identified by the electronic circuit of the host apparatus.
43. A water treatment system as claimed in claim 30, wherein lack of co-operation between the electronic circuit of the component and the electronic circuit of the host apparatus indicates the incorrect fitment and/or installation of the component with the host apparatus.
44. A water treatment system as claimed in claim 30, wherein lack of co-operation between the electronic circuit of the component and the electronic circuit of the unit identifies incorrect operation of the component and/or the host apparatus.
45. A water treatment system as claimed in claim 30, wherein information in the component is accessed from the component and displayed by the host apparatus.
46. A water treatment system as claimed in claim 30, wherein information that is communicated between the electronic circuits of the component and the host apparatus is validation information, production information and/or manufacturing information.
47. A host water treatment apparatus useable with a water treatment component to provide a water treatment system, said host apparatus having an electronic circuit adapted to co-operate with an electronic circuit in the component.
48. A separable treatment component useable with a host water treatment apparatus, said component having an electronic circuit adapted to co-operate with an electronic circuit in the host apparatus.
49. A treatment component as claimed in claim 48, wherein the component is a water treatment component adapted to provide a water treatment system in co-operation with the host apparatus.
50. A treatment component as claimed in claim 48, wherein the component is adapted to sanitise and/or clean one or more parts of the host apparatus.
51. A treatment component as claimed in claim 48, wherein the electronic circuit of the component is integral with the component.
52. A treatment component as claimed in claim 51, wherein the electronic circuit is embedded into or mounted onto the component.
53. A treatment component as claimed in claim 48, wherein the electronic circuit of the component includes a database having characterising data relating to the component.
54. A treatment component as claimed in claim 48, wherein the data of the component electronic circuit is encrypted.
55. A treatment component as claimed in claim 48, wherein the component is a consumable replaceable unit.
56. A treatment component as claimed in claim 55, wherein the component is a cartridge.
US10/506,712 2002-03-08 2003-03-07 Water filter and treatment system and component Abandoned US20050115877A1 (en)

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GBGB0205492.2A GB0205492D0 (en) 2002-03-08 2002-03-08 Water filter and treatment units
PCT/GB2003/000975 WO2003076342A1 (en) 2002-03-08 2003-03-07 Water filter and treatment system and component

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US20100106265A1 (en) * 2008-10-23 2010-04-29 Whirlpool Corporation Smart filter for an appliance
US20140223715A1 (en) * 2013-02-14 2014-08-14 Whirlpool Corporation Product indication for filter status update
CN105521648A (en) * 2016-01-29 2016-04-27 四川长虹电器股份有限公司 Fault management system for intelligent water purifier
US20200009485A1 (en) * 2017-03-06 2020-01-09 Cummins Filtration Ip, Inc. Genuine Filter Recognition With Filter Monitoring System

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US8394420B2 (en) * 2005-11-03 2013-03-12 K2 Concepts, Inc. Substrates comprising anti-microbial compositions and methods of making and using the same
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WO2007109579A2 (en) * 2006-03-17 2007-09-27 Crosslink Manufacturing Method of integrating water treatment assemblies
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WO2003076342A1 (en) 2003-09-18

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