EP4008973A4 - Air conditioner - Google Patents

Air conditioner Download PDF

Info

Publication number
EP4008973A4
EP4008973A4 EP20882824.4A EP20882824A EP4008973A4 EP 4008973 A4 EP4008973 A4 EP 4008973A4 EP 20882824 A EP20882824 A EP 20882824A EP 4008973 A4 EP4008973 A4 EP 4008973A4
Authority
EP
European Patent Office
Prior art keywords
air conditioner
conditioner
air
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
EP20882824.4A
Other languages
German (de)
French (fr)
Other versions
EP4008973A1 (en
Inventor
Junjie LEI
Hao Zhang
Shunquan LI
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
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Air Conditioning Equipment 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 CN201921830849.6U external-priority patent/CN211177490U/en
Priority claimed from CN201911034323.1A external-priority patent/CN112797658A/en
Application filed by Midea Group Co Ltd, GD Midea Air Conditioning Equipment Co Ltd filed Critical Midea Group Co Ltd
Publication of EP4008973A1 publication Critical patent/EP4008973A1/en
Publication of EP4008973A4 publication Critical patent/EP4008973A4/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/0272—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using bridge circuits of one-way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/13—Economisers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2509—Economiser valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2515—Flow valves
EP20882824.4A 2019-10-28 2020-03-13 Air conditioner Pending EP4008973A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201921830849.6U CN211177490U (en) 2019-10-28 2019-10-28 Air conditioner
CN201911034323.1A CN112797658A (en) 2019-10-28 2019-10-28 Air conditioner
PCT/CN2020/079187 WO2021082331A1 (en) 2019-10-28 2020-03-13 Air conditioner

Publications (2)

Publication Number Publication Date
EP4008973A1 EP4008973A1 (en) 2022-06-08
EP4008973A4 true EP4008973A4 (en) 2022-09-14

Family

ID=75714811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20882824.4A Pending EP4008973A4 (en) 2019-10-28 2020-03-13 Air conditioner

Country Status (3)

Country Link
US (1) US20220325924A1 (en)
EP (1) EP4008973A4 (en)
WO (1) WO2021082331A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006112322A1 (en) * 2005-04-18 2006-10-26 Daikin Industries, Ltd. Air conditioner
JP2009127902A (en) * 2007-11-21 2009-06-11 Mitsubishi Electric Corp Refrigerating device and compressor
EP2357427A1 (en) * 2008-12-05 2011-08-17 Daikin Industries, Ltd. Refrigeration device
EP2878900A1 (en) * 2012-05-28 2015-06-03 Daikin Industries, Ltd. Refrigeration device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101552618B1 (en) * 2009-02-25 2015-09-11 엘지전자 주식회사 air conditioner
CN201837139U (en) * 2009-06-01 2011-05-18 特灵空调系统(中国)有限公司 Jet and enthalpy increasing heat pump air conditioner hot water unit
CN203083058U (en) * 2013-02-01 2013-07-24 珠海格力电器股份有限公司 Air conditioner
CN204494894U (en) * 2015-02-02 2015-07-22 珠海格力电器股份有限公司 Heat pump type air conditioning system
CN104613665A (en) * 2015-02-02 2015-05-13 珠海格力电器股份有限公司 Heat pump air conditioner system
CN105004090A (en) * 2015-07-09 2015-10-28 广东美的暖通设备有限公司 Multi-split air-conditioning system and supercooling and enhanced vapor injection method thereof
CN205939467U (en) * 2016-08-19 2017-02-08 广东美的暖通设备有限公司 Multi -split air conditioning system
CN107990585A (en) * 2017-12-26 2018-05-04 南京天加环境科技有限公司 A kind of improved air injection enthalpy-increasing air-conditioning system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006112322A1 (en) * 2005-04-18 2006-10-26 Daikin Industries, Ltd. Air conditioner
JP2009127902A (en) * 2007-11-21 2009-06-11 Mitsubishi Electric Corp Refrigerating device and compressor
EP2357427A1 (en) * 2008-12-05 2011-08-17 Daikin Industries, Ltd. Refrigeration device
EP2878900A1 (en) * 2012-05-28 2015-06-03 Daikin Industries, Ltd. Refrigeration device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021082331A1 *

Also Published As

Publication number Publication date
US20220325924A1 (en) 2022-10-13
EP4008973A1 (en) 2022-06-08
WO2021082331A1 (en) 2021-05-06

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RIC1 Information provided on ipc code assigned before grant

Ipc: F25B 40/02 20060101ALI20220811BHEP

Ipc: F24F 3/06 20060101AFI20220811BHEP

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