CN112503642A - Single motor gear driven window type air conditioner - Google Patents
Single motor gear driven window type air conditioner Download PDFInfo
- Publication number
- CN112503642A CN112503642A CN202011313905.6A CN202011313905A CN112503642A CN 112503642 A CN112503642 A CN 112503642A CN 202011313905 A CN202011313905 A CN 202011313905A CN 112503642 A CN112503642 A CN 112503642A
- Authority
- CN
- China
- Prior art keywords
- gear
- fan blade
- air conditioner
- motor
- single motor
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000008859 change Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
- F24F1/028—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by air supply means, e.g. fan casings, internal dampers or ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a window type air conditioner driven by a single motor gear, wherein the shaft end of a motor positioned at the indoor side is connected with the central shaft of an indoor side fan blade through a first gear transmission mechanism, and the shaft end of the motor positioned at the outdoor side is connected with the central shaft of an outdoor side fan blade through a second gear transmission mechanism. The window type air conditioner provided by the invention has the advantages that the gear structure is used for transmission, so that the rotating speeds of the inner fan blade and the outer fan blade can be adjusted at the beginning of design to change the rotating speed to determine the optimal rotating speed, the air quantity of the inner side and the outer side can reach an ideal state, the positions of the fan blades can be randomly controlled due to the adoption of the gear transmission, the limitation of the window machine structure is greatly reduced, the rotating speed and the steering adjustment of the inner fan blade and the outer fan blade are realized on the basis of a single motor, the structure is simple, the stability is good, and the development and use cost of the window machine can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of window type air conditioners, in particular to a window type air conditioner driven by a single motor gear.
Background
The window type air conditioner generally uses a single motor structure to reduce the size due to the reason that the structure of the window type air conditioner is totally centralized, and the single motor has the defect that the separate adjustment of the rotating speed of the inner side and the outer side cannot be realized, so that the limitation of system development is large and the performance and the noise are difficult to be considered simultaneously. Specifically, the inner and outer fan blades of the single window machine have the same rotating speed, so that the air volume at the inner and outer sides cannot reach the theoretical optimal state at the same time, when the single window machine is in an air supply state, the work of the outer fan blade belongs to redundant energy consumption and noise, the inner and outer fan blades of the single window machine must be on the same axis, so that the window machine structure is greatly limited, and due to different steering directions, when the cross-flow fan blade is used at the inner side of the window machine, only a double-motor structure can be adopted.
Disclosure of Invention
The invention provides a window air conditioner driven by single motor gear, which overcomes the defects of the prior art, and provides a window air conditioner driven by single motor gear, wherein the rotation speed of inner and outer fan blades can be determined by adjusting the gear tooth number at the beginning of design to change the rotation speed through using the gear structure for transmission, the rotation speed of the inner and outer fan blades can be adjusted at will, so the air quantity at the inner and outer sides can reach the ideal state, and the limitation of the window air conditioner structure is greatly reduced by changing the size of the gear and adjusting the position of the fan blade at will due to the adoption of the gear transmission, the gear mechanism is disconnected during air supply, so the outer fan blade can not work, the motor load is reduced, the power consumption and the noise are reduced, under the condition of single motor, the inner side can use the cross-flow fan blade for air supply through the bevel gear transmission, the performance and the noise of the air conditioner are, and the cost of the product is reduced.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a window type air conditioner driven by a single motor gear is characterized in that a shaft end of the motor, which is positioned at the indoor side, is connected with a central shaft of an indoor side fan blade through a first gear transmission mechanism, and a shaft end of the motor, which is positioned at the outdoor side, is connected with the central shaft of the outdoor side fan blade through a second gear transmission mechanism.
According to the window type air conditioner with the single motor and the gear transmission, the gear structure is used for transmission, so that the rotating speeds of the inner fan blade and the outer fan blade can be determined to be the optimal rotating speed by adjusting the gear tooth number at the beginning of design and changing the rotating speed, the rotating speeds of the inner fan blade and the outer fan blade can be adjusted at will, the air quantities of the inner fan blade and the outer fan blade can reach an ideal state, the gear transmission is adopted, meanwhile, the position of the fan blade can be adjusted at will by changing the size of the gear, the limitation of the window machine structure is greatly reduced, the rotating speed and the steering adjustment of the inner fan blade and the outer fan blade are realized on the basis of the single motor, the structure is simple, the stability is good, and the development.
With respect to the above technical solution, further improvements as described below can be made.
In a preferred embodiment of the window type air conditioner with single motor gear transmission according to the present invention, the first gear transmission mechanism includes a first gear disposed on a shaft end of the motor located at the indoor side and a second gear disposed on a central shaft of the indoor side fan blade, and the first gear and the second gear are engaged with each other.
The gear transmission mechanism with the structure is simple in structure, and can well realize the rotation speed adjustment and the rotation speed regulation of the indoor fan blades.
Specifically, in a preferred embodiment, the indoor side fan blades comprise cross-flow fan blades which are transversely and symmetrically arranged, and the first gear and the second gear are both bevel gears.
The indoor side fan blade uses the cross-flow fan blade to supply air under the condition of a single motor, the performance and noise of the air conditioner are greatly optimized, the cost of the product is reduced, the transmission direction of the motor can be changed through bevel gear transmission, and the cross-flow fan blade which is transversely and symmetrically arranged on the indoor side is well driven to rotate.
Specifically, in another preferred embodiment, the indoor fan blade includes an axial flow fan blade, and the first gear and the second gear are spur gears with different numbers of teeth.
The axial flow fan blade is matched with the gear transmission mechanism with the structure, so that the structure is simplified as far as possible while the rotation speed adjustment and the rotation speed regulation of the indoor fan blade can be well realized.
In particular, in a preferred embodiment, the second gear transmission mechanism comprises two gears which are respectively arranged on the shaft end of the motor positioned outside the chamber and the central shaft of the fan blade positioned outside the chamber, have different tooth numbers and are meshed with each other.
The gear transmission mechanism with the structure is simple in structure, and can well realize the rotation speed adjustment and the rotation speed regulation of the outdoor fan blade.
Specifically, in a preferred embodiment, the outdoor fan blade is an axial flow fan blade, and both a gear on the shaft end of the motor located at the outdoor side and a gear on the central shaft of the outdoor fan blade are straight gears.
The axial flow fan blade is matched with the gear transmission mechanism with the structure, so that the structure is simplified as far as possible while the rotation speed adjustment and the rotation speed regulation of the fan blade outside the chamber can be well realized.
Further, in a preferred embodiment, the window type air conditioner further comprises a processing unit, and the processing unit can control the gear of the motor on the shaft end of the outdoor side and the gear on the central shaft of the fan blade of the outdoor side to be separated from each other.
When the air conditioner is in an air supply mode, the processing unit controls the two gears to be separated, and at the moment, the fan blade on the outdoor side is not used as a load any more, so that the power of the motor is effectively reduced.
Specifically, in another preferred embodiment, the outdoor fan blade includes cross-flow fan blades arranged transversely and symmetrically, and both the gear of the motor located at the shaft end of the outdoor side and the gear on the central shaft of the outdoor fan blade are bevel gears.
The outdoor side fan blade uses the cross-flow fan blade to supply air under the condition of a single motor, the performance and the noise of the air conditioner are greatly optimized, the cost of the product is reduced, the transmission direction of the motor can be changed through bevel gear transmission, and the cross-flow fan blade which is transversely and symmetrically arranged at the indoor side is well driven to rotate.
Further, in a preferred embodiment, the first gear transmission is a variator structure.
The gear transmission mechanism on the indoor side adopts a speed changer structure, and multi-stage speed change adjustment can be realized.
Further, in a preferred embodiment, the second gear transmission mechanism is a variator structure.
In the same way, the gear transmission mechanism on the outdoor side adopts a speed changer structure, and multi-stage speed change adjustment can be realized.
Compared with the prior art, the invention has the advantages that: through using the gear structure transmission, make the rotational speed of inside, outside fan blade can change the rotational speed and confirm the optimum rotational speed through adjusting the gear tooth number at the beginning of the design, because the rotational speed of inside, outside fan blade can be adjusted respectively at will, can make the interior, the amount of wind in the outside all reach the ideal state, and because adopt gear transmission, the position of fan blade can be controlled at will, greatly reduced the limitation of window machine structure, when the air supply shelves, break off gear mechanism, can make the outside fan blade out of work, the motor load has been reduced, power consumption and noise have been reduced, under the condition of single motor, through bevel gear transmission, the inboard can use the through-flow fan blade air supply, the performance and the noise of air conditioner have been optimized by a wide margin, and the cost of product has been.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 schematically illustrates the overall construction of a single motor geared window air conditioner in accordance with an embodiment of the present invention;
fig. 2 schematically shows a partially enlarged structure of the second gear transmission mechanism outside the chamber in the embodiment of the invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
The invention will be further explained in detail with reference to the figures and the embodiments without thereby limiting the scope of protection of the invention.
Fig. 1 schematically illustrates the overall construction of a single motor geared window air conditioner 10 in accordance with an embodiment of the present invention. Fig. 2 schematically shows a partially enlarged structure of the second gear transmission mechanism 5 on the outdoor side in the embodiment of the invention.
As shown in fig. 1 and 2, in the window type air conditioner 10 with single motor gear transmission according to the embodiment of the present invention, the shaft end of the motor 1 located at the indoor side is connected with the central shaft of the indoor side fan blade 2 through the first gear transmission mechanism 3, and the shaft end of the motor 1 located at the outdoor side is connected with the central shaft of the outdoor side fan blade 4 through the second gear transmission mechanism 5.
According to the window type air conditioner with the single motor and the gear transmission, the gear structure is used for transmission, so that the rotating speeds of the inner fan blade and the outer fan blade can be determined to be the optimal rotating speed by adjusting the gear tooth number at the beginning of design, the rotating speeds of the inner fan blade and the outer fan blade can be adjusted at will, the air quantities of the inner fan blade and the outer fan blade can reach an ideal state, the gear transmission is adopted, meanwhile, the position of the fan blade can be adjusted at will by changing the size of the gear, the limitation of the window machine structure is greatly reduced, the rotating speed and steering adjustment of the inner fan blade and the outer fan blade is realized on the basis of the single motor, the window type air conditioner is simple in structure and good in stability, and the development and use costs of.
As shown in fig. 1, in the present embodiment, specifically, the first gear transmission mechanism 3 includes a first gear 31 disposed on the shaft end of the motor 1 located on the indoor side and a second gear 32 disposed on the central shaft of the indoor side fan blade 2, and the first gear 31 and the second gear 32 are meshed with each other. The gear transmission mechanism with the structure is simple in structure, and can well realize the rotation speed adjustment and the rotation speed regulation of the indoor fan blades. Specifically, in this embodiment, the indoor fan blades 2 include cross-flow fan blades arranged laterally and symmetrically, and the first gear 31 and the second gear 32 are both bevel gears. The indoor side fan blade uses the cross-flow fan blade to supply air under the condition of a single motor, the performance and the noise of the air conditioner are greatly optimized, the use comfort is improved, the product cost is reduced, the transmission direction of the motor can be changed through bevel gear transmission, and the cross-flow fan blade which is transversely and symmetrically arranged on the indoor side is well driven to rotate. Specifically, in another embodiment, not shown, the indoor fan blade 2 includes an axial flow fan blade, and the first gear 31 and the second gear 32 are straight gears having different numbers of teeth. The axial flow fan blade is matched with the gear transmission mechanism with the structure, so that the structure is simplified as far as possible while the rotation speed adjustment and the rotation speed regulation of the indoor fan blade can be well realized.
As shown in fig. 2, in the present embodiment, the second gear transmission mechanism 5 includes two gears 51, 52 with different numbers of teeth and meshed with each other, which are respectively disposed on the shaft end of the motor 1 located outside the chamber and the central shaft of the fan blade 4 located outside the chamber. The gear transmission mechanism with the structure is simple in structure, and can well realize the rotation speed adjustment and the rotation speed regulation of the outdoor fan blade. Specifically, in this embodiment, the outdoor fan blade 4 is an axial-flow fan blade, and both the gear 51 at the shaft end of the motor 1 located on the outdoor side and the gear 52 on the central shaft of the outdoor fan blade 4 are spur gears. The axial flow fan blade is matched with the gear transmission mechanism with the structure, so that the structure is simplified as far as possible while the rotation speed adjustment and the rotation speed regulation of the fan blade outside the chamber can be well realized. Specifically, in another embodiment not shown, the outdoor fan blade 4 includes cross-flow fan blades symmetrically arranged in the transverse direction, and both the gear 51 of the motor 1 located at the shaft end of the outdoor side and the gear 52 on the central shaft of the outdoor fan blade 4 are bevel gears. The outdoor side fan blade uses the cross-flow fan blade to supply air under the condition of a single motor, the performance and noise of the air conditioner are greatly optimized, the use comfort is improved, the product cost is reduced, the transmission direction of the motor can be changed through bevel gear transmission, and the cross-flow fan blade which is transversely and symmetrically arranged on the indoor side is well driven to rotate.
Further, in this embodiment, the window type air conditioner 10 further includes a processing unit, and the processing unit can control the gear 51 of the motor located at the shaft end outside the outdoor side and the gear 52 located at the central shaft of the outdoor side fan blade 4 to be separated from each other. When the air conditioner is in an air supply mode, the processing unit controls the two gears to be separated, and the fan blade outside the room is not used as a load any more, so that the power and the load of the motor are effectively reduced, and the power consumption and the noise are reduced.
Further, in one embodiment, not shown, the first gear transmission mechanism is in a variator configuration. The gear transmission mechanism on the indoor side adopts a speed changer structure, and multi-stage speed change adjustment can be realized. For the same reason, in an embodiment which is not shown, the second gear mechanism can also be of a variator construction. The gear transmission mechanism on the outdoor side adopts a speed changer structure, and multi-stage speed change adjustment can be realized.
According to the embodiment, the window type air conditioner with the single motor and the gear transmission is characterized in that the gear structure is used for transmission, so that the rotating speeds of the inner fan blade and the outer fan blade can be adjusted at the beginning of design to change the rotating speed to determine the optimal rotating speed, the rotating speeds of the inner fan blade and the outer fan blade can be adjusted at will, the air quantities of the inner fan blade and the outer fan blade can reach an ideal state, the positions of the fan blades can be controlled at will due to the gear transmission, the limitation of the window type air conditioner structure is greatly reduced, the gear mechanism is disconnected during air supply, the outer fan blade can not work, the motor load is reduced, the power consumption and the noise are reduced, and under the condition of the single motor, the inner fan blade can be used for supplying air through bevel gear transmission, the performance and the noise of the air conditioner are greatly optimized, and the product cost is.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A window type air conditioner driven by a single motor gear is characterized in that the shaft end of the motor positioned at the indoor side is connected with the central shaft of an indoor side fan blade through a first gear transmission mechanism, and the shaft end of the motor positioned at the outdoor side is connected with the central shaft of the outdoor side fan blade through a second gear transmission mechanism.
2. The single motor geared window air conditioner of claim 1, wherein the first gear train includes a first gear disposed on an indoor side shaft end of the motor and a second gear disposed on a central shaft of the indoor side fan blade, the first gear and the second gear being intermeshed.
3. The window type air conditioner driven by the single motor and the gear as claimed in claim 1 or 2, wherein the indoor side fan blade comprises cross-flow fan blades which are transversely symmetrically arranged, and the first gear and the second gear are both bevel gears.
4. The single-motor gear driven window air conditioner as claimed in claim 1 or 2, wherein the indoor fan blade comprises an axial-flow fan blade, and the first gear and the second gear are straight gears with different numbers of teeth.
5. The single-motor geared window air conditioner of claim 1 or 2, wherein the second geared mechanism comprises two gears having different numbers of teeth and meshing with each other, respectively disposed on the shaft end of the motor located outside the chamber and on the central shaft of the fan blade located outside the chamber.
6. The single motor geared window air conditioner of claim 5, wherein the outdoor fan blades are axial flow fan blades, and both the gears on the shaft ends of the motors located outside the room and the gears on the central shafts of the fan blades outside the room are spur gears.
7. The single motor geared window air conditioner of claim 5, further comprising a processing unit capable of controlling the motor to disengage the gear on the shaft end outside the chamber from the gear on the central shaft of the fan blade outside the chamber.
8. The window type air conditioner driven by the single motor gear as claimed in claim 5, wherein the outdoor fan blade comprises cross-flow fan blades arranged laterally and symmetrically, and the gear of the motor at the shaft end of the outdoor and the gear at the central shaft of the outdoor fan blade are both bevel gears.
9. The single motor geared window air conditioner of claims 1 or 2, wherein the first gear drive is a transmission configuration.
10. The single motor geared window air conditioner of claims 1 or 2, wherein the second gear drive is a transmission configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313905.6A CN112503642A (en) | 2020-11-20 | 2020-11-20 | Single motor gear driven window type air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313905.6A CN112503642A (en) | 2020-11-20 | 2020-11-20 | Single motor gear driven window type air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112503642A true CN112503642A (en) | 2021-03-16 |
Family
ID=74959252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011313905.6A Pending CN112503642A (en) | 2020-11-20 | 2020-11-20 | Single motor gear driven window type air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112503642A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022222462A1 (en) * | 2021-04-19 | 2022-10-27 | 青岛海尔空调器有限总公司 | Control method for fan blade structure, and air conditioner electronic device and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0533961A (en) * | 1991-07-31 | 1993-02-09 | Matsushita Electric Ind Co Ltd | Air conditioner |
| KR20040015882A (en) * | 2002-08-14 | 2004-02-21 | 엘지전자 주식회사 | The blower assembly of an air conditioner |
| CN101504173A (en) * | 2008-02-05 | 2009-08-12 | 乐金电子(天津)电器有限公司 | Gear transmission structure of window air conditioner fan |
| CN204628040U (en) * | 2015-03-17 | 2015-09-09 | 广东美的制冷设备有限公司 | The fan speed change device of window air conditioner |
| CN105841243A (en) * | 2016-05-23 | 2016-08-10 | 珠海格力电器股份有限公司 | Ceiling type air conditioner indoor unit |
| CN207515075U (en) * | 2017-09-21 | 2018-06-19 | 珠海市伟高变频科技有限公司 | A kind of frequency conversion window-mounted air conditioner structure |
-
2020
- 2020-11-20 CN CN202011313905.6A patent/CN112503642A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0533961A (en) * | 1991-07-31 | 1993-02-09 | Matsushita Electric Ind Co Ltd | Air conditioner |
| KR20040015882A (en) * | 2002-08-14 | 2004-02-21 | 엘지전자 주식회사 | The blower assembly of an air conditioner |
| CN101504173A (en) * | 2008-02-05 | 2009-08-12 | 乐金电子(天津)电器有限公司 | Gear transmission structure of window air conditioner fan |
| CN204628040U (en) * | 2015-03-17 | 2015-09-09 | 广东美的制冷设备有限公司 | The fan speed change device of window air conditioner |
| CN105841243A (en) * | 2016-05-23 | 2016-08-10 | 珠海格力电器股份有限公司 | Ceiling type air conditioner indoor unit |
| CN207515075U (en) * | 2017-09-21 | 2018-06-19 | 珠海市伟高变频科技有限公司 | A kind of frequency conversion window-mounted air conditioner structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022222462A1 (en) * | 2021-04-19 | 2022-10-27 | 青岛海尔空调器有限总公司 | Control method for fan blade structure, and air conditioner electronic device and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1327124C (en) | Turbine engine with semi-fixed turbine | |
| CN104006519B (en) | Integral air guide mechanism, air port device and air duct machine | |
| CN107621119B (en) | Air door device and refrigerator with same | |
| CN207831616U (en) | A kind of central air-conditioning air outlet system | |
| CN101451749B (en) | Indoor machine of air conditioner | |
| CN112648233A (en) | Axial flow wind wheel, air conditioner and control method of air conditioner | |
| CN112503642A (en) | Single motor gear driven window type air conditioner | |
| CN209445507U (en) | Housing unit, air conditioner indoor unit and the air conditioner of air conditioner indoor unit | |
| CN107084492B (en) | Control method for air supply by air guide structure of air conditioner | |
| CN110886722A (en) | Cross-flow fan and air conditioner for partitioned air supply | |
| CN111022355B (en) | Fan and air conditioner with multiple blades | |
| CN201155825Y (en) | Indoor machine of air conditioner | |
| CN210118270U (en) | Driving structure of air conditioner indoor unit and air conditioner | |
| CN211343477U (en) | Cross flow fan capable of achieving partitioned air supply and air conditioner | |
| CN216429782U (en) | Structure with function of adjusting air entraining amount of engine | |
| CN115013870B (en) | Air outlet device, air conditioner indoor unit and air conditioner | |
| CN215409411U (en) | Fan blower | |
| CN108995793A (en) | A kind of rotary wing changing is away from system | |
| CN104863790A (en) | Worm and gear type wind turbine blade adjusting mechanism | |
| CN211874769U (en) | Fan and air conditioner | |
| CN220269635U (en) | Double air deflector assembly and air conditioner thereof | |
| CN115200090A (en) | Sweep wind-guiding drive arrangement and air conditioner | |
| CN218805104U (en) | Automatic regulating device for parking air conditioner | |
| CN114963386B (en) | Fresh air system for high-rise building and control method thereof | |
| CN113819642A (en) | Air purifier's mechanism and air purifier of shaking head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210316 |