EP4023948A4 - Outdoor unit of air conditioner - Google Patents

Outdoor unit of air conditioner Download PDF

Info

Publication number
EP4023948A4
EP4023948A4 EP20906407.0A EP20906407A EP4023948A4 EP 4023948 A4 EP4023948 A4 EP 4023948A4 EP 20906407 A EP20906407 A EP 20906407A EP 4023948 A4 EP4023948 A4 EP 4023948A4
Authority
EP
European Patent Office
Prior art keywords
air conditioner
outdoor unit
outdoor
unit
conditioner
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
EP20906407.0A
Other languages
German (de)
French (fr)
Other versions
EP4023948A1 (en
Inventor
Dongwen ZHAN
Site HU
Jiachao YAN
Longxin ZHANG
Yuefei LI
Qizhen WANG
Guyu WU
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.)
Midea Group Co Ltd
Guangdong Midea White Goods Technology Innovation Center Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea White Goods Technology Innovation Center 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
Priority claimed from CN201911369821.1A external-priority patent/CN113048580A/en
Priority claimed from CN201911366885.6A external-priority patent/CN113048579A/en
Application filed by Midea Group Co Ltd, Guangdong Midea White Goods Technology Innovation Center Co Ltd filed Critical Midea Group Co Ltd
Publication of EP4023948A1 publication Critical patent/EP4023948A1/en
Publication of EP4023948A4 publication Critical patent/EP4023948A4/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00—Axial-flow pumps
    • F04D19/02—Multi-stage pumps
    • F04D19/024—Multi-stage pumps with contrarotating parts
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F04D29/526—Details of the casing section radially opposing blade tips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646—Mounting or removal of fans
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/16—Arrangement or mounting thereof
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/46—Component arrangements in separate outdoor units
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
    • F24F1/50—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with outlet air in upward direction
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP20906407.0A 2019-12-26 2020-11-30 Outdoor unit of air conditioner Pending EP4023948A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201911369821.1A CN113048580A (en) 2019-12-26 2019-12-26 Outdoor machine of air conditioner
CN201911366885.6A CN113048579A (en) 2019-12-26 2019-12-26 Outdoor machine of air conditioner
PCT/CN2020/132689 WO2021129318A1 (en) 2019-12-26 2020-11-30 Outdoor unit of air conditioner

Publications (2)

Publication Number Publication Date
EP4023948A1 EP4023948A1 (en) 2022-07-06
EP4023948A4 true EP4023948A4 (en) 2023-03-08

Family

ID=76573162

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20906407.0A Pending EP4023948A4 (en) 2019-12-26 2020-11-30 Outdoor unit of air conditioner

Country Status (3)

Country Link
US (1) US20220252282A1 (en)
EP (1) EP4023948A4 (en)
WO (1) WO2021129318A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050166630A1 (en) * 2004-02-02 2005-08-04 Collins Michael T. Low profile condenser motor
JP2008096020A (en) * 2006-10-11 2008-04-24 Matsushita Electric Ind Co Ltd Outdoor machine of air conditioner
WO2010104360A2 (en) * 2009-03-12 2010-09-16 Lg Electronics Inc. Outdoor unit for air conditioner
CN103835971A (en) * 2014-03-17 2014-06-04 胡小全 Novel counter-rotating fan
CN109958637A (en) * 2019-04-22 2019-07-02 广东美的制冷设备有限公司 The fan assembly of air-conditioner outdoor unit and air-conditioner outdoor unit with it
CN110044008A (en) * 2019-04-22 2019-07-23 广东美的制冷设备有限公司 The control method of air-conditioner outdoor unit

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3023433B2 (en) * 1995-04-10 2000-03-21 日立建機株式会社 Heat exchanger cooling system
JP2013137008A (en) * 2011-12-28 2013-07-11 Daikin Industries Ltd Air conditioner
US20140131016A1 (en) * 2012-11-15 2014-05-15 JVS Associates, Inc. Contra-Rotating Fan Arrangement And Fan Drive System For Evaporative Cooling Equipment
CN203671796U (en) * 2013-12-24 2014-06-25 珠海格力电器股份有限公司 Air conditioner outdoor unit and air conditioner
WO2017042942A1 (en) * 2015-09-10 2017-03-16 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー（ホンコン）リミテッド Outdoor unit of air conditioners
WO2018198882A1 (en) * 2017-04-27 2018-11-01 日立ジョンソンコントロールズ空調株式会社 Air-conditioning device
CN107461832A (en) * 2017-08-22 2017-12-12 广东美的制冷设备有限公司 Air-conditioner outdoor unit and there is its air conditioner
CN108716473B (en) * 2018-03-02 2020-12-29 青岛海信日立空调***有限公司 Axial fan and air conditioner outdoor unit
CN108458420A (en) * 2018-03-20 2018-08-28 广东美的制冷设备有限公司 Air-conditioner outdoor unit and air conditioner
CN108317613A (en) * 2018-03-20 2018-07-24 广东美的制冷设备有限公司 Cabinet air-conditioner and air conditioner
KR102133258B1 (en) * 2018-06-07 2020-07-13 엘지전자 주식회사 An outdoor unit for a an air conditioner
CN108758837A (en) * 2018-08-31 2018-11-06 广东美的制冷设备有限公司 Axial flow blower component and air conditioner
KR102559756B1 (en) * 2018-09-14 2023-07-27 삼성전자주식회사 An outdoor for a an air conditioner
CN111043063B (en) * 2018-10-15 2021-06-18 广东美的白色家电技术创新中心有限公司 Counter-rotating fan
CN109958639B (en) * 2019-04-22 2021-01-22 广东美的制冷设备有限公司 Fan assembly of air conditioner outdoor unit and air conditioner outdoor unit with same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050166630A1 (en) * 2004-02-02 2005-08-04 Collins Michael T. Low profile condenser motor
JP2008096020A (en) * 2006-10-11 2008-04-24 Matsushita Electric Ind Co Ltd Outdoor machine of air conditioner
WO2010104360A2 (en) * 2009-03-12 2010-09-16 Lg Electronics Inc. Outdoor unit for air conditioner
CN103835971A (en) * 2014-03-17 2014-06-04 胡小全 Novel counter-rotating fan
CN109958637A (en) * 2019-04-22 2019-07-02 广东美的制冷设备有限公司 The fan assembly of air-conditioner outdoor unit and air-conditioner outdoor unit with it
CN110044008A (en) * 2019-04-22 2019-07-23 广东美的制冷设备有限公司 The control method of air-conditioner outdoor unit

Also Published As

Publication number Publication date
EP4023948A1 (en) 2022-07-06
US20220252282A1 (en) 2022-08-11
WO2021129318A1 (en) 2021-07-01

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RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/66 20060101ALI20230127BHEP

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