EP4462039A4 - COOLING DEVICE - Google Patents

COOLING DEVICE

Info

Publication number
EP4462039A4
EP4462039A4 EP24732841.2A EP24732841A EP4462039A4 EP 4462039 A4 EP4462039 A4 EP 4462039A4 EP 24732841 A EP24732841 A EP 24732841A EP 4462039 A4 EP4462039 A4 EP 4462039A4
Authority
EP
European Patent Office
Prior art keywords
refrigeration device
refrigeration
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
EP24732841.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4462039A1 (en
Inventor
Hidenori MATSUI
Tomohiro Nagano
Yoshiki YAMANOI
Takuya HORITA
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP4462039A1 publication Critical patent/EP4462039A1/en
Publication of EP4462039A4 publication Critical patent/EP4462039A4/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
    • 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
    • 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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
    • F25B2400/0401—Refrigeration circuit bypassing means for the compressor
    • 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
    • F25B2500/26—Problems to be solved characterised by the startup of the refrigeration 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
    • F25B31/00—Compressor arrangements
    • F25B31/002—Lubrication
    • F25B31/004—Lubrication oil recirculating arrangements

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)
EP24732841.2A 2023-03-31 2024-03-26 COOLING DEVICE Pending EP4462039A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023058646A JP7670996B2 (ja) 2023-03-31 2023-03-31 冷凍装置
PCT/JP2024/011913 WO2024204176A1 (ja) 2023-03-31 2024-03-26 冷凍装置

Publications (2)

Publication Number Publication Date
EP4462039A1 EP4462039A1 (en) 2024-11-13
EP4462039A4 true EP4462039A4 (en) 2025-04-23

Family

ID=91828962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24732841.2A Pending EP4462039A4 (en) 2023-03-31 2024-03-26 COOLING DEVICE

Country Status (4)

Country Link
EP (1) EP4462039A4 (https=)
JP (2) JP7670996B2 (https=)
CN (1) CN121039447A (https=)
WO (1) WO2024204176A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240253426A1 (en) * 2023-01-27 2024-08-01 Ford Global Technologies, Llc Dehumidification control strategy

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140053585A1 (en) * 2011-04-21 2014-02-27 Carrier Corporation Transcritical Refrigerant Vapor System With Capacity Boost
US8671703B2 (en) * 2007-05-14 2014-03-18 Carrier Corporation Refrigerant vapor compression system with flash tank economizer
EP3575711A1 (en) * 2017-01-25 2019-12-04 Denso Corporation Refrigeration cycle device
CN111102759A (zh) * 2019-12-18 2020-05-05 南京久鼎精机冷冻设备有限公司 一种节能型co2双机双级制冷多联机系统
JP6958692B1 (ja) * 2020-08-28 2021-11-02 ダイキン工業株式会社 熱源ユニット及び冷凍装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007010282A (ja) 2005-07-04 2007-01-18 Hitachi Ltd 二段圧縮式冷凍サイクル装置
JP2010127563A (ja) 2008-11-28 2010-06-10 Sanden Corp 冷凍システム
JP5223873B2 (ja) 2010-01-25 2013-06-26 ダイキン工業株式会社 空気調和装置
JP6467682B2 (ja) 2015-01-09 2019-02-13 パナソニックＩｐマネジメント株式会社 冷凍装置
GB2585594B (en) 2018-03-26 2021-11-24 Mitsubishi Electric Corp Refrigeration device
WO2022123736A1 (ja) 2020-12-10 2022-06-16 三菱電機株式会社 冷凍サイクル装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8671703B2 (en) * 2007-05-14 2014-03-18 Carrier Corporation Refrigerant vapor compression system with flash tank economizer
US20140053585A1 (en) * 2011-04-21 2014-02-27 Carrier Corporation Transcritical Refrigerant Vapor System With Capacity Boost
EP3575711A1 (en) * 2017-01-25 2019-12-04 Denso Corporation Refrigeration cycle device
CN111102759A (zh) * 2019-12-18 2020-05-05 南京久鼎精机冷冻设备有限公司 一种节能型co2双机双级制冷多联机系统
JP6958692B1 (ja) * 2020-08-28 2021-11-02 ダイキン工業株式会社 熱源ユニット及び冷凍装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024204176A1 *

Also Published As

Publication number Publication date
JP7670996B2 (ja) 2025-05-01
WO2024204176A1 (ja) 2024-10-03
JP2025098284A (ja) 2025-07-01
JP2024145993A (ja) 2024-10-15
EP4462039A1 (en) 2024-11-13
CN121039447A (zh) 2025-11-28

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