EP4184077A4 - Refrigeration cycle device - Google Patents

Refrigeration cycle device Download PDF

Info

Publication number
EP4184077A4
EP4184077A4 EP20945603.7A EP20945603A EP4184077A4 EP 4184077 A4 EP4184077 A4 EP 4184077A4 EP 20945603 A EP20945603 A EP 20945603A EP 4184077 A4 EP4184077 A4 EP 4184077A4
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
EP20945603.7A
Other languages
German (de)
French (fr)
Other versions
EP4184077A1 (en
Inventor
Tomotaka Ishikawa
Yusuke Arii
Motoshi HAYASAKA
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 EP4184077A1 publication Critical patent/EP4184077A1/en
Publication of EP4184077A4 publication Critical patent/EP4184077A4/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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • 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
    • F25B31/00—Compressor arrangements
    • F25B31/006—Cooling of compressor or motor
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • 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
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0411—Refrigeration circuit bypassing means for the expansion valve or capillary tube
    • 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
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/072—Intercoolers therefor
    • 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
    • F25B2600/2501—Bypass valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Air-Conditioning For Vehicles (AREA)
EP20945603.7A 2020-07-15 2020-07-15 Refrigeration cycle device Pending EP4184077A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/027550 WO2022013982A1 (en) 2020-07-15 2020-07-15 Refrigeration cycle device

Publications (2)

Publication Number Publication Date
EP4184077A1 EP4184077A1 (en) 2023-05-24
EP4184077A4 true EP4184077A4 (en) 2023-09-13

Family

ID=79555307

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20945603.7A Pending EP4184077A4 (en) 2020-07-15 2020-07-15 Refrigeration cycle device

Country Status (4)

Country Link
EP (1) EP4184077A4 (en)
JP (1) JP7367222B2 (en)
CN (1) CN115867755A (en)
WO (1) WO2022013982A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024102371A1 (en) * 2022-11-07 2024-05-16 Johnson Controls Tyco IP Holdings LLP Energy efficient heat pump systems and methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642825A (en) * 1992-07-28 1994-02-18 Daikin Ind Ltd Discharged gas temperature control mechanism for screw compressor
JP2011133133A (en) * 2009-12-22 2011-07-07 Daikin Industries Ltd Refrigerating device
EP2518422A1 (en) * 2009-12-22 2012-10-31 Daikin Industries, Ltd. Refrigeration device
DE112014003888T5 (en) * 2013-08-23 2016-06-09 Sanden Holdings Corporation Vehicle air conditioning
WO2018100711A1 (en) * 2016-12-01 2018-06-07 三菱電機株式会社 Refrigeration device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08271062A (en) * 1995-03-31 1996-10-18 Sanyo Electric Co Ltd Refrigerator
JP2001091064A (en) * 1999-09-20 2001-04-06 Mitsubishi Electric Corp Refrigeration system
JP4716832B2 (en) * 2005-09-26 2011-07-06 三洋電機株式会社 Refrigeration equipment
JPWO2014203354A1 (en) 2013-06-19 2017-02-23 三菱電機株式会社 Refrigeration cycle equipment
JP2017026238A (en) 2015-07-24 2017-02-02 株式会社富士通ゼネラル Heat pump cycle device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642825A (en) * 1992-07-28 1994-02-18 Daikin Ind Ltd Discharged gas temperature control mechanism for screw compressor
JP2011133133A (en) * 2009-12-22 2011-07-07 Daikin Industries Ltd Refrigerating device
EP2518422A1 (en) * 2009-12-22 2012-10-31 Daikin Industries, Ltd. Refrigeration device
DE112014003888T5 (en) * 2013-08-23 2016-06-09 Sanden Holdings Corporation Vehicle air conditioning
WO2018100711A1 (en) * 2016-12-01 2018-06-07 三菱電機株式会社 Refrigeration device

Also Published As

Publication number Publication date
WO2022013982A1 (en) 2022-01-20
JP7367222B2 (en) 2023-10-23
EP4184077A1 (en) 2023-05-24
CN115867755A (en) 2023-03-28
JPWO2022013982A1 (en) 2022-01-20

Similar Documents

Publication Publication Date Title
EP4092353A4 (en) Refrigeration cycle device
EP3985331A4 (en) Refrigeration cycle device
EP4130610A4 (en) Refrigeration cycle device
EP3929506A4 (en) Refrigeration cycle device
EP4006452A4 (en) Refrigeration cycle device
EP4155629A4 (en) Refrigeration cycle device
EP3982063A4 (en) Refrigeration cycle device
EP4113039A4 (en) Refrigeration cycle device
EP4160108A4 (en) Refrigeration cycle device
EP3936787A4 (en) Refrigeration cycle device
EP3992543A4 (en) Refrigeration cycle device
EP3951283A4 (en) Refrigeration cycle device
EP4113020A4 (en) Refrigeration cycle device
EP4113019A4 (en) Refrigeration cycle device
EP4215844A4 (en) Refrigeration cycle device
EP4184077A4 (en) Refrigeration cycle device
EP4170265A4 (en) Refrigeration cycle device
EP4163574A4 (en) Refrigeration cycle device
EP4134601A4 (en) Refrigeration cycle device
EP4102153A4 (en) Refrigeration cycle device
EP4089346A4 (en) Refrigeration cycle device
EP4012293A4 (en) Refrigeration cycle device
EP3978828A4 (en) Refrigeration cycle device
EP3951287A4 (en) Refrigeration cycle device
EP3910262A4 (en) Refrigeration cycle device

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20221114

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20230814

RIC1 Information provided on ipc code assigned before grant

Ipc: F25B 31/00 20060101ALI20230808BHEP

Ipc: F25B 40/02 20060101ALI20230808BHEP

Ipc: F25B 40/00 20060101ALI20230808BHEP

Ipc: F25B 1/10 20060101ALI20230808BHEP

Ipc: F25B 5/02 20060101ALI20230808BHEP

Ipc: F25B 1/00 20060101AFI20230808BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)