JP7670996B2 - 冷凍装置 - Google Patents

冷凍装置 Download PDF

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Publication number
JP7670996B2
JP7670996B2 JP2023058646A JP2023058646A JP7670996B2 JP 7670996 B2 JP7670996 B2 JP 7670996B2 JP 2023058646 A JP2023058646 A JP 2023058646A JP 2023058646 A JP2023058646 A JP 2023058646A JP 7670996 B2 JP7670996 B2 JP 7670996B2
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JP
Japan
Prior art keywords
refrigerant
compressor
state
gas
flow path
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.)
Active
Application number
JP2023058646A
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English (en)
Japanese (ja)
Other versions
JP2024145993A (ja
Inventor
秀徳 松井
友紘 長野
喜記 山野井
卓也 堀田
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
Priority to JP2023058646A priority Critical patent/JP7670996B2/ja
Priority to PCT/JP2024/011913 priority patent/WO2024204176A1/ja
Priority to EP24732841.2A priority patent/EP4462039A4/en
Priority to CN202480023549.4A priority patent/CN121039447A/zh
Publication of JP2024145993A publication Critical patent/JP2024145993A/ja
Priority to JP2025062007A priority patent/JP2025098284A/ja
Application granted granted Critical
Publication of JP7670996B2 publication Critical patent/JP7670996B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

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  • 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)
JP2023058646A 2023-03-31 2023-03-31 冷凍装置 Active JP7670996B2 (ja)

Priority Applications (5)

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
EP24732841.2A EP4462039A4 (en) 2023-03-31 2024-03-26 COOLING DEVICE
CN202480023549.4A CN121039447A (zh) 2023-03-31 2024-03-26 冷冻装置
JP2025062007A JP2025098284A (ja) 2023-03-31 2025-04-03 冷凍装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023058646A JP7670996B2 (ja) 2023-03-31 2023-03-31 冷凍装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2025062007A Division JP2025098284A (ja) 2023-03-31 2025-04-03 冷凍装置

Publications (2)

Publication Number Publication Date
JP2024145993A JP2024145993A (ja) 2024-10-15
JP7670996B2 true JP7670996B2 (ja) 2025-05-01

Family

ID=91828962

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2023058646A Active JP7670996B2 (ja) 2023-03-31 2023-03-31 冷凍装置
JP2025062007A Pending JP2025098284A (ja) 2023-03-31 2025-04-03 冷凍装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2025062007A Pending JP2025098284A (ja) 2023-03-31 2025-04-03 冷凍装置

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
JP2007010282A (ja) 2005-07-04 2007-01-18 Hitachi Ltd 二段圧縮式冷凍サイクル装置
WO2010061624A1 (ja) 2008-11-28 2010-06-03 サンデン株式会社 冷凍システム
JP2011149669A (ja) 2010-01-25 2011-08-04 Daikin Industries Ltd 空気調和装置
WO2019186647A1 (ja) 2018-03-26 2019-10-03 三菱電機株式会社 冷凍装置
WO2022123736A1 (ja) 2020-12-10 2022-06-16 三菱電機株式会社 冷凍サイクル装置

Family Cites Families (6)

* 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
EP2699853B1 (en) * 2011-04-21 2019-03-13 Carrier Corporation Transcritical refrigerant vapor system with capacity boost
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
JP2018119777A (ja) * 2017-01-25 2018-08-02 株式会社デンソー 冷凍サイクル装置
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

Patent Citations (5)

* 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
WO2010061624A1 (ja) 2008-11-28 2010-06-03 サンデン株式会社 冷凍システム
JP2011149669A (ja) 2010-01-25 2011-08-04 Daikin Industries Ltd 空気調和装置
WO2019186647A1 (ja) 2018-03-26 2019-10-03 三菱電機株式会社 冷凍装置
WO2022123736A1 (ja) 2020-12-10 2022-06-16 三菱電機株式会社 冷凍サイクル装置

Also Published As

Publication number Publication date
EP4462039A4 (en) 2025-04-23
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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