EP4180742A4 - Refrigeration cycle device - Google Patents

Refrigeration cycle device Download PDF

Info

Publication number
EP4180742A4
EP4180742A4 EP20944786.1A EP20944786A EP4180742A4 EP 4180742 A4 EP4180742 A4 EP 4180742A4 EP 20944786 A EP20944786 A EP 20944786A EP 4180742 A4 EP4180742 A4 EP 4180742A4
Authority
EP
European Patent Office
Prior art keywords
refrigeration cycle
cycle device
refrigeration
cycle
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
EP20944786.1A
Other languages
German (de)
French (fr)
Other versions
EP4180742A1 (en
Inventor
Komei NAKAJIMA
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP4180742A1 publication Critical patent/EP4180742A1/en
Publication of EP4180742A4 publication Critical patent/EP4180742A4/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/26Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02742Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/25Control of valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Air Conditioning Control Device (AREA)
EP20944786.1A 2020-07-07 2020-07-07 Refrigeration cycle device Pending EP4180742A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/026569 WO2022009312A1 (en) 2020-07-07 2020-07-07 Refrigeration cycle device

Publications (2)

Publication Number Publication Date
EP4180742A1 EP4180742A1 (en) 2023-05-17
EP4180742A4 true EP4180742A4 (en) 2023-08-09

Family

ID=79552325

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20944786.1A Pending EP4180742A4 (en) 2020-07-07 2020-07-07 Refrigeration cycle device

Country Status (6)

Country Link
US (1) US20230175744A1 (en)
EP (1) EP4180742A4 (en)
JP (1) JP7357793B2 (en)
CN (1) CN115803571A (en)
AU (1) AU2020457289B2 (en)
WO (1) WO2022009312A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04254158A (en) * 1991-01-31 1992-09-09 Daikin Ind Ltd Refrigerating cycle for heat pump type air conditioner
US20070051123A1 (en) * 2003-10-09 2007-03-08 Nobuki Matsui Air conditioning system
US20190331375A1 (en) * 2016-06-14 2019-10-31 Mitsubishi Electric Corporation Air conditioning system
US20200116374A1 (en) * 2017-06-27 2020-04-16 Mitsubishi Electric Corporation Air conditioner

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6073071U (en) * 1983-10-27 1985-05-23 株式会社東芝 Heat pump refrigeration equipment
JP4254158B2 (en) 2001-08-20 2009-04-15 東レ株式会社 Carbon fiber substrate manufacturing method, preform manufacturing method, and composite material manufacturing method
US6817205B1 (en) 2003-10-24 2004-11-16 Carrier Corporation Dual reversing valves for economized heat pump
JP6073071B2 (en) 2012-04-25 2017-02-01 京セラ株式会社 Electronics
JP6454465B2 (en) * 2013-10-10 2019-01-16 日立アプライアンス株式会社 Refrigerant switching valve and device provided with refrigerant switching valve
US20220307736A1 (en) * 2021-03-23 2022-09-29 Emerson Climate Technologies, Inc. Heat-Pump System With Multiway Valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04254158A (en) * 1991-01-31 1992-09-09 Daikin Ind Ltd Refrigerating cycle for heat pump type air conditioner
US20070051123A1 (en) * 2003-10-09 2007-03-08 Nobuki Matsui Air conditioning system
US20190331375A1 (en) * 2016-06-14 2019-10-31 Mitsubishi Electric Corporation Air conditioning system
US20200116374A1 (en) * 2017-06-27 2020-04-16 Mitsubishi Electric Corporation Air conditioner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022009312A1 *

Also Published As

Publication number Publication date
JPWO2022009312A1 (en) 2022-01-13
CN115803571A (en) 2023-03-14
US20230175744A1 (en) 2023-06-08
AU2020457289A1 (en) 2022-12-22
JP7357793B2 (en) 2023-10-06
AU2020457289B2 (en) 2023-11-23
WO2022009312A1 (en) 2022-01-13
EP4180742A1 (en) 2023-05-17

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