CN107036184A - A kind of air-conditioner outdoor unit - Google Patents

A kind of air-conditioner outdoor unit Download PDF

Info

Publication number
CN107036184A
CN107036184A CN201710400084.1A CN201710400084A CN107036184A CN 107036184 A CN107036184 A CN 107036184A CN 201710400084 A CN201710400084 A CN 201710400084A CN 107036184 A CN107036184 A CN 107036184A
Authority
CN
China
Prior art keywords
air
guide structure
outlet
outdoor unit
conditioner outdoor
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
Application number
CN201710400084.1A
Other languages
Chinese (zh)
Inventor
王伟戈
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.)
Hisense Guangdong Air Conditioning Co Ltd
Hisense Home Appliances Group Co Ltd
Original Assignee
Hisense Kelon Electrical Holdings Co Ltd
Hisense Guangdong Air Conditioning Co Ltd
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 Hisense Kelon Electrical Holdings Co Ltd, Hisense Guangdong Air Conditioning Co Ltd filed Critical Hisense Kelon Electrical Holdings Co Ltd
Priority to CN201710400084.1A priority Critical patent/CN107036184A/en
Publication of CN107036184A publication Critical patent/CN107036184A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/40Vibration or noise prevention at outdoor units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/46Component arrangements in separate outdoor units
    • F24F1/48Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow

Abstract

The present invention discloses a kind of air-conditioner outdoor unit, is related to technical field of refrigeration equipment.For solve existing air-conditioner outdoor unit because air-out backflow is larger influence the heat exchange property of heat exchanger the problem of and invent.Air-conditioner outdoor unit of the present invention, including housing, the housing is provided with air outlet, outlet housing is covered with the air outlet, air channel is formed with the housing, the air channel is connected with the air outlet, in the air channel aerofoil fan is provided with close to the position of the air outlet, the aerofoil fan includes wheel hub and the multiple blades set for one week around the wheel hub, the air guide structure of circular platform type is provided between the wheel hub and the outlet housing, the bottom surface of the air guide structure is towards the outlet housing, top surface is towards the wheel hub, sideways air-guiding aisle is formed between one week and the inwall in the air channel, one end of the air-guiding aisle is connected with the air side of the blade, the other end is connected with the outlet housing.Air-conditioner outdoor unit of the present invention is used for detachable air conditioner.

Description

A kind of air-conditioner outdoor unit
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly to a kind of air-conditioner outdoor unit.
Background technology
At present, the air-conditioning typically used is split-type air conditioner, and split-type air conditioner is included in indoor set and outdoor unit, outdoor unit Provided with parts such as heat exchanger, compressor and fans.
Example, Fig. 1 is a kind of air-conditioner outdoor unit of the prior art, referring to Fig. 1, and air-conditioner outdoor unit includes housing 01, Offered on housing 01 and outlet housing 02 is covered with air outlet, air outlet, housing 01 is interior, the position relative with outlet housing 02 is provided with Aerofoil fan 03, when aerofoil fan 03 rotates, can drive air-flow to be discharged by outlet housing 02.And because aerofoil fan 03 is generally included Wheel hub and the multiple blades set for one week around wheel hub, when aerofoil fan rotates, blade produces axial compressive force to drive air-flow Flowed along the axial direction of fan, while centrifugal force is produced to drive Radial Flow of the air-flow along aerofoil fan, thus going out in wheel hub Wind forms negative pressure around side, under this suction function, the air-flow of the lateral outlet housing of the air-out by blade flowing can reverse flow extremely In gap between wheel hub and outlet housing, or even around the heat exchanger 04 being back in housing, with again with the heat exchange in housing Device 04 is exchanged heat, so as to cause heat transfer temperature difference (to that is to say the difference of the air themperature around heat exchanger surface temperature and heat exchanger Value) diminish, and then reduce the heat exchange property of air-conditioner outdoor unit.Moreover, between the hot-air of backflow and the air of forward flow Easily produce impact and increase the noise of air-conditioner outdoor unit.
The content of the invention
The present invention provides a kind of air-conditioner outdoor unit, can reduce backflow, while reducing noise.
To reach above-mentioned purpose, the invention provides a kind of air-conditioner outdoor unit, including housing, the housing is provided with air-out Mouthful, it is covered with the air outlet in outlet housing, the housing and is formed with air channel, the air channel is connected with the air outlet, institute State in air channel close to the position of the air outlet provided with aerofoil fan, the aerofoil fan includes wheel hub and around the wheel hub one Multiple blades that week is set, are provided with the air guide structure of circular platform type between the wheel hub and the outlet housing, the air guide structure Bottom surface is towards the outlet housing, and top surface is towards the wheel hub, and side is formed with wind-guiding for one week between the inwall in the air channel and led to Road, one end of the air-guiding aisle is connected with the air side of the blade, and the other end is connected with the outlet housing.
A kind of air-conditioner outdoor unit that the present invention is provided, outlet housing is covered with because housing is provided with air outlet, air outlet, And air channel is formed with housing, air channel is connected with air outlet, close to the position of air outlet provided with aerofoil fan in air channel, therefore When aerofoil fan rotates, air-flow can be driven along duct flows and discharged by air outlet.Compared with prior art, due to aerofoil fan Wheel hub and outlet housing between be provided with circular platform type air guide structure, the bottom surface of air guide structure is towards air outlet, and top surface is towards wheel hub, side Face forms air-guiding aisle for one week between the inwall of air channel, and one end of air-guiding aisle is connected with the air side of the blade of aerofoil fan, The other end is connected with outlet housing, so, and air guide structure can block the gap between wheel hub and outlet housing, and guide air-flow by blade Air side forward direction blowout, thus can prevent in hot air reflow to the gap between wheel hub and outlet housing and heat exchanger week Enclose, so that heat exchanger has higher heat transfer temperature difference, and then improve the heat exchange property of air-conditioner outdoor unit.Simultaneously as leading Wind structure can effectively prevent hot air reflow, therefore can avoid producing because of impact between return air and discharge air and make an uproar Sound, so as to reduce the noise of air-conditioner outdoor unit.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of prior art air-conditioner outdoor unit;
Fig. 2 is the first structural representation of air-conditioner outdoor unit of the embodiment of the present invention;
Fig. 3 is second of structural representation of air-conditioner outdoor unit of the embodiment of the present invention;
Fig. 4 (a) is the first structural representation of air guide structure in air-conditioner outdoor unit of the embodiment of the present invention;
Fig. 4 (b) is second of structural representation of air guide structure in air-conditioner outdoor unit of the embodiment of the present invention;
Fig. 5 is the third structural representation of air-conditioner outdoor unit of the embodiment of the present invention;
Fig. 6 is the 4th kind of structural representation of air-conditioner outdoor unit of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ", The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings Orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention. In description of the invention, unless otherwise indicated, " multiple " are meant that two or more.
Reference picture 2, Fig. 2 is a specific embodiment of air-conditioner outdoor unit of the embodiment of the present invention, the air conditioning chamber of the present embodiment Outer machine includes housing 1, and the housing 1, which is provided with air outlet, the air outlet, is covered with outlet housing 2, is formed in the housing 1 There is air channel 3, the air channel 3 is connected with the air outlet, aerofoil fan is provided with close to the position of the air outlet in the air channel 3 4, the aerofoil fan 4 includes wheel hub 41 and the multiple blades 42 set for 41 1 weeks around the wheel hub, the wheel hub 41 and institute State the air guide structure 5 that circular platform type is provided between outlet housing 2, as shown in figure 3, the bottom surface 51 of the air guide structure 5 towards it is described go out Fan housing 2, top surface 52 is formed with air-guiding aisle 6 (such as in 53 1 weeks towards the wheel hub 41, side between the inwall in the air channel 3 Shown in Fig. 2), one end of the air-guiding aisle 6 is connected with the air side of the blade 42, and the other end is connected with the outlet housing 2.
A kind of air-conditioner outdoor unit that the present invention is provided, as shown in Fig. 2 because housing 1 is provided with air outlet, air outlet upper cover Provided with air channel 3 is formed with outlet housing 2, and housing 1, air channel 3 is connected with air outlet, and the position in air channel 3 close to air outlet is set There is aerofoil fan 4, therefore when aerofoil fan 4 rotates, air-flow can be driven to flow and discharged by air outlet along air channel 3.With it is existing Technology is compared, due to being provided with circular platform type air guide structure 5 between the wheel hub 41 and outlet housing 2 of aerofoil fan 4, as shown in figure 3, wind-guiding The bottom surface 51 of structure 5 is towards air outlet, and top surface 52 is towards wheel hub 41, and side forms wind-guiding between the inwall of air channel 3 in 53 1 weeks and led to Road 6 (as shown in Figure 2), one end of air-guiding aisle 6 is connected with the air side of the blade 42 of aerofoil fan 4, the other end and outlet housing 2 Connection, so, air guide structure 5 can block the gap between wheel hub 41 and outlet housing 2, and guide air-flow by the air side of blade 42 Forward direction blowout, thus can be prevented in hot air reflow to the gap between wheel hub 41 and outlet housing 2 and around heat exchanger, so that Make heat exchanger that there is higher heat transfer temperature difference, and then improve the heat exchange property of air-conditioner outdoor unit.Simultaneously as air guide structure 5 Hot air reflow can be effectively prevented, therefore can avoid producing noise because of impact between return air and discharge air, so that Reduce the noise of air-conditioner outdoor unit.
In the above-described embodiments, air guide structure 5 can be made by plastic material, can also be made by metal material, herein It is not specifically limited.
In the embodiment shown in Figure 2, in order to effectively block the gap between wheel hub 41 and outlet housing 2, it is preferred that as schemed Shown in 3, the shape and size of the top surface 52 of air guide structure 5 with wheel hub 41 close to the surface of air outlet are adapted, and can so be passed through Air guide structure 5 effectively blocks the gap between wheel hub 41 and outlet housing 2, so as to prevent backflow as much as possible.Simultaneously as leading Shape and size of the top surface 52 of wind structure 5 with wheel hub 41 close to the surface of air outlet are adapted, therefore can be avoided because of wind-guiding knot The air-flow that is oversized and being driven to blade 42 of top surface 52 of structure 5 produces resistance, so that the wind-guiding for improving air guide structure 5 is suitable Smooth property.
In the embodiment shown in Figure 2, along along air-guiding aisle 6 wind flow direction, the diameter of air guide structure 5 can be gradually Increase, can also keep constant, be not specifically limited herein.But, in order to increase the rate of outflow of air-flow at outlet housing 2, with Reduce the possibility of air return, it is preferred that as shown in Figure 2 or Figure 3, the flow direction of wind, air guide structure along along air-guiding aisle 6 5 diameter gradually increases, and the area of section of such air-guiding aisle 6 is gradually reduced, so as to increase the outflow of air-flow at outlet housing 2 Speed, because the flowing velocity of air-flow is bigger, produce backflow possibility it is lower, therefore at outlet housing 2 air-flow flowing velocity After increase, the possibility of air return can be further reduced.
In the above-described embodiments, the bus of the side 53 of air guide structure 5 can be inclined straight line, or middle part to The curve being recessed close to the direction of the axis of air guide structure 5, can also be convex to the direction away from air guide structure axis for middle part The curve gone out, is not specifically limited herein.But, for the drainage smooth degree of the side 53 of improving air guide structure 5, it is preferred that The bus of the side 53 of air guide structure 5 is inclined straight line (shown in such as Fig. 4 (a)) or middle part to close to the axis of air guide structure 5 The curve (shown in such as Fig. 4 (b)) of the direction depression of line, to avoid the middle part of side 53 of air guide structure 5 outwardly to air-flow Resistance is formed, so as to improve the drainage smoothness of the side 53 of air guide structure 5.
In the embodiment shown in fig. 3, air guide structure 5 can be solid construction, or hollow-core construction, not do herein It is specific to limit.But, in order to reduce the weight of air guide structure 5, save the materials cost of air guide structure 5, it is preferred that such as Fig. 2 institutes Show, air guide structure 5 be hollow shell-like structure, and air guide structure 5 hollow space run through air guide structure 5 bottom surface, so, lead to Cross and air guide structure 5 be designed as to hollow shell-like structure, and the hollow space of air guide structure 5 is run through the bottom surface of air guide structure 5, The weight of air guide structure 5 can be reduced, while saving the materials cost of air guide structure 5.
In the embodiment shown in Figure 2, it is preferred that air guide structure 5 is integrally formed by injection molding method, injection molding method Forming process it is simple, it is easy to operate, be conducive to reducing the manufacture difficulty of air guide structure 5, improve the making effect of air guide structure 5 Rate.
In the embodiment shown in Figure 2, in order that the air-flow that blade 42 is driven successfully can pass through outlet housing 2 side by side Go out, while in order to improve the speed when air-flow that blade 42 driven passes through outlet housing 2 as much as possible, it is preferred that air guide structure 5 Base area and the area ratio of air outlet be 0.25~0.6, the base area of air guide structure 5 and the area ratio of air outlet When in the range of this, the air-flow that can have both enable blade 42 be driven successfully passes through outlet housing 2 and discharged, while can again The air-flow that enough blades 42 of raising as much as possible are driven passes through speed during outlet housing 2.When the base area of air guide structure 5 is with going out When the area ratio in air port is less than 0.25, the outlet air surface area on outlet housing 2 is larger, it is impossible to effectively converge air-flow, thus air-flow Relatively low through speed during outlet housing 2, the possibility for producing backflow is larger;When the base area and air outlet of air guide structure 5 When area ratio is more than 0.6, the outlet air surface area on outlet housing 2 is smaller, larger to the resistance of air-flow formation, and air-flow passes through fan Smoothness during cover is relatively low.
In the embodiment shown in Figure 2, air guide structure 5 can be fixed on the wheel hub 41 of aerofoil fan 4, can also be fixed In on outlet housing 2, it can also be fixed on the inwall in air channel 3, be not specifically limited herein by connecting rib.When using above-mentioned It during the first scheme, that is to say, air guide structure 5 is fixed on the wheel hub 41 of aerofoil fan 4, now, passing through motor driving shaft When flow fan 4 rotates, air guide structure 5 rotates together with aerofoil fan 4, thereby increases the load of motor;When using above-mentioned During the third scheme, it that is to say, air guide structure 5 is fixed on the inwall in air channel 3 by connecting rib, now, need to be logical in wind-guiding Connection rib is set in road 6, it is complicated, and certain resistance can be produced to the air-flow in air-guiding aisle 6, led so as to reduce The wind-guiding smoothness of wind passage 6.In order to avoid above mentioned problem, it is preferred to use above-mentioned second scheme, it that is to say, air guide structure 5 It is fixed on outlet housing 2, specifically, as shown in Figure 5 or Figure 6, on outlet housing 2, correspondingly the position of air guide structure 5 is provided with opening, The edge of the bottom surface of air guide structure 5 is fixed for one week with the edge of outlet housing 2 at opening.Due to being connected to air-out in air guide structure 5 When on cover 2, without rotation, therefore the load of the motor for driving aerofoil fan 4 to rotate can be reduced, and without logical in air-out Connection rib is set in road, so as to avoid the air-out smoothness on air-out passage from producing influence.
Specifically, as shown in Figure 5 or Figure 6, in order to realize the edge one week of the bottom surface 51 of air guide structure 5 and the air-out at opening The fixation at 2 edges is covered, optionally, the edge of the bottom surface 51 of air guide structure 5 is provided with multiple buckles for one week, and the air guide structure 5 leads to Cross the edge of outlet housing 2 that multiple buckles are connected at opening.This is simple in construction, easily realizes, and compared to the side of threaded connection Formula, the process of snap action is simple, and time-consuming shorter, efficiency is higher.
Other compositions of air-conditioner outdoor unit on the embodiment of the present invention etc. have been well known to those skilled in the art, This is no longer described in detail.
In the description of this specification, specific features, structure, material or feature can be in any one or more realities Apply and combined in an appropriate manner in example or example.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (10)

1. a kind of air-conditioner outdoor unit, including housing, the housing are provided with air outlet, the air outlet and are covered with outlet housing, Air channel is formed with the housing, the air channel is connected with the air outlet, close to the position of the air outlet in the air channel Provided with aerofoil fan, the aerofoil fan includes wheel hub and the multiple blades set for one week around the wheel hub, it is characterised in that It is provided with the air guide structure of circular platform type between the wheel hub and the outlet housing, the bottom surface of the air guide structure is towards the air-out Cover, top surface is formed with air-guiding aisle for one week towards the wheel hub, side between the inwall in the air channel, the air-guiding aisle One end is connected with the air side of the blade, and the other end is connected with the outlet housing.
2. air-conditioner outdoor unit according to claim 1, it is characterised in that the top surface of the air guide structure is leaned on the wheel hub The shape and size on the surface of the nearly air outlet are adapted.
3. air-conditioner outdoor unit according to claim 1 or 2, it is characterised in that the flowing side of wind along along the air-guiding aisle To the diameter of the air guide structure gradually increases.
4. air-conditioner outdoor unit according to claim 3, it is characterised in that the bus of the air guide structure side is inclined Straight line.
5. air-conditioner outdoor unit according to claim 3, it is characterised in that the bus of the air guide structure side be middle part to The curve being recessed close to the direction of the air guide structure axis.
6. air-conditioner outdoor unit according to claim 1, it is characterised in that the air guide structure is hollow shell-like structure, And the hollow space of the air guide structure runs through the bottom surface of the air guide structure.
7. air-conditioner outdoor unit according to claim 1, it is characterised in that the air guide structure by injection molding method one into Type.
8. air-conditioner outdoor unit according to claim 1, it is characterised in that the base area of the air guide structure with it is described go out The area ratio in air port is 0.25~0.6.
9. air-conditioner outdoor unit according to claim 1, it is characterised in that on the outlet housing, correspond to the air guide structure Position be provided with opening, the edge of the bottom surface of the air guide structure is fixed for one week with the outlet housing edge at the opening.
10. air-conditioner outdoor unit according to claim 9, it is characterised in that the edge of the bottom surface of the air guide structure one week Provided with multiple buckles, the air guide structure is connected in the outlet housing edge at the opening by multiple buckles.
CN201710400084.1A 2017-05-31 2017-05-31 A kind of air-conditioner outdoor unit Pending CN107036184A (en)

Priority Applications (1)

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CN201710400084.1A CN107036184A (en) 2017-05-31 2017-05-31 A kind of air-conditioner outdoor unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710400084.1A CN107036184A (en) 2017-05-31 2017-05-31 A kind of air-conditioner outdoor unit

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CN107036184A true CN107036184A (en) 2017-08-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109458673A (en) * 2018-11-30 2019-03-12 广东美的制冷设备有限公司 Air-conditioner outdoor unit and air-conditioning system
WO2021113939A1 (en) * 2019-12-10 2021-06-17 Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda. Refrigeration apparatus comprising ventilation inlet and diffuser element
EP4050273A1 (en) * 2021-02-26 2022-08-31 Robert Bosch GmbH Fan unit for a heat pump outdoor unit and heat pump outdoor unit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2508031Y (en) * 2000-08-31 2002-08-28 松下电器产业株式会社 Air conditioner
CN201080925Y (en) * 2007-07-20 2008-07-02 至宝电脑兴业股份有限公司 Fan flow guiding structure
CN101696696A (en) * 2009-10-27 2010-04-21 广东志高空调有限公司 Fan of outdoor unit of air conditioner
JP2013119816A (en) * 2011-12-08 2013-06-17 Samsung Yokohama Research Institute Co Ltd Propeller fan and outdoor unit of air conditioning apparatus
CN105358838A (en) * 2013-07-05 2016-02-24 三菱电机株式会社 Air blower and outdoor unit
CN206111617U (en) * 2016-08-31 2017-04-19 石家庄国祥运输设备有限公司 Low noise efficient axial fan

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2508031Y (en) * 2000-08-31 2002-08-28 松下电器产业株式会社 Air conditioner
CN201080925Y (en) * 2007-07-20 2008-07-02 至宝电脑兴业股份有限公司 Fan flow guiding structure
CN101696696A (en) * 2009-10-27 2010-04-21 广东志高空调有限公司 Fan of outdoor unit of air conditioner
JP2013119816A (en) * 2011-12-08 2013-06-17 Samsung Yokohama Research Institute Co Ltd Propeller fan and outdoor unit of air conditioning apparatus
CN105358838A (en) * 2013-07-05 2016-02-24 三菱电机株式会社 Air blower and outdoor unit
CN206111617U (en) * 2016-08-31 2017-04-19 石家庄国祥运输设备有限公司 Low noise efficient axial fan

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109458673A (en) * 2018-11-30 2019-03-12 广东美的制冷设备有限公司 Air-conditioner outdoor unit and air-conditioning system
CN109458673B (en) * 2018-11-30 2023-11-28 广东美的制冷设备有限公司 Air conditioner outdoor unit and air conditioning system
WO2021113939A1 (en) * 2019-12-10 2021-06-17 Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda. Refrigeration apparatus comprising ventilation inlet and diffuser element
EP4050273A1 (en) * 2021-02-26 2022-08-31 Robert Bosch GmbH Fan unit for a heat pump outdoor unit and heat pump outdoor unit

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CB02 Change of applicant information

Address after: 528303 No. 8, Rong Gang Road, Ronggui street, Shunde District, Foshan, Guangdong.

Applicant after: Haixin Home Appliances Group Co., Ltd.

Applicant after: Hisense (Guangdong) Air Conditioner Co., Ltd.

Address before: 528303 No. 8, Rong Gang Road, Ronggui street, Shunde District, Foshan, Guangdong.

Applicant before: Hisense Kelon Electrical Holdings Co., Ltd.

Applicant before: Hisense (Guangdong) Air Conditioner Co., Ltd.

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Application publication date: 20170811

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