EP3379169A4 - Refrigeration cycle provided with plurality of multistage compressors connected in parallel - Google Patents

Refrigeration cycle provided with plurality of multistage compressors connected in parallel Download PDF

Info

Publication number
EP3379169A4
EP3379169A4 EP17741416.6A EP17741416A EP3379169A4 EP 3379169 A4 EP3379169 A4 EP 3379169A4 EP 17741416 A EP17741416 A EP 17741416A EP 3379169 A4 EP3379169 A4 EP 3379169A4
Authority
EP
European Patent Office
Prior art keywords
parallel
refrigeration cycle
cycle provided
compressors connected
multistage compressors
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.)
Withdrawn
Application number
EP17741416.6A
Other languages
German (de)
French (fr)
Other versions
EP3379169A1 (en
Inventor
Minemasa Omura
Kenichi Murakami
Takeshi Takeda
Hisao Mizuno
Akio KAWANISHI
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 Heavy Industries Thermal Systems Ltd
Original Assignee
Mitsubishi Heavy Industries Thermal Systems 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 Mitsubishi Heavy Industries Thermal Systems Ltd filed Critical Mitsubishi Heavy Industries Thermal Systems Ltd
Publication of EP3379169A1 publication Critical patent/EP3379169A1/en
Publication of EP3379169A4 publication Critical patent/EP3379169A4/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
    • 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
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors
    • 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
    • F25B2400/23—Separators
    • 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)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)
EP17741416.6A 2016-01-20 2017-01-18 Refrigeration cycle provided with plurality of multistage compressors connected in parallel Withdrawn EP3379169A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016008819A JP6718240B2 (en) 2016-01-20 2016-01-20 Refrigeration cycle with multiple multi-stage compressors connected in parallel
PCT/JP2017/001519 WO2017126539A1 (en) 2016-01-20 2017-01-18 Refrigeration cycle provided with plurality of multistage compressors connected in parallel

Publications (2)

Publication Number Publication Date
EP3379169A1 EP3379169A1 (en) 2018-09-26
EP3379169A4 true EP3379169A4 (en) 2018-10-03

Family

ID=59361822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17741416.6A Withdrawn EP3379169A4 (en) 2016-01-20 2017-01-18 Refrigeration cycle provided with plurality of multistage compressors connected in parallel

Country Status (5)

Country Link
EP (1) EP3379169A4 (en)
JP (1) JP6718240B2 (en)
CN (1) CN108369037B (en)
AU (1) AU2017209481B2 (en)
WO (1) WO2017126539A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107300275A (en) * 2017-08-08 2017-10-27 广东欧科空调制冷有限公司 The damping Fen Ye mechanisms and air conditioner of a kind of compressor set
JP2019045002A (en) * 2017-08-30 2019-03-22 アイシン精機株式会社 Heat pump control method
JP7151262B2 (en) * 2018-08-10 2022-10-12 富士電機株式会社 Heat pump device and refrigerant flow rate calculation method
CN109682105B (en) * 2019-02-12 2024-04-09 珠海格力电器股份有限公司 Air Conditioning System
CN110553834B (en) * 2019-09-09 2021-02-09 广州兰石技术开发有限公司 Accelerated life test system for refrigeration valve
JP7477431B2 (en) * 2020-11-18 2024-05-01 三菱重工サーマルシステムズ株式会社 Refrigeration equipment
FR3134152B1 (en) * 2022-03-31 2024-04-12 Danfoss Commercial Compressors A multiple compressor system having normally open valves in oil balancing connections

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009109065A (en) * 2007-10-29 2009-05-21 Hitachi Appliances Inc Refrigeration equipment
WO2010052853A1 (en) * 2008-11-04 2010-05-14 ダイキン工業株式会社 Refrigeration device
JP2010139109A (en) * 2008-12-09 2010-06-24 Mitsubishi Heavy Ind Ltd Refrigeration cycle
EP2230472A1 (en) * 2007-11-30 2010-09-22 Daikin Industries, Ltd. Freezing apparatus
EP2339265A2 (en) * 2009-12-25 2011-06-29 Sanyo Electric Co., Ltd. Refrigerating apparatus
EP2752628A1 (en) * 2011-08-31 2014-07-09 Mitsubishi Heavy Industries, Ltd. Supercritical cycle and heat pump hot-water supplier using same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3550772B2 (en) * 1995-01-31 2004-08-04 ダイキン工業株式会社 Refrigeration equipment
JP3614330B2 (en) * 1999-10-20 2005-01-26 シャープ株式会社 Supercritical vapor compression refrigeration cycle
JP5235925B2 (en) * 2010-03-03 2013-07-10 日立アプライアンス株式会社 Refrigeration equipment
CN104048453B (en) * 2013-03-12 2016-01-06 珠海格力电器股份有限公司 Oil balancing control method for compressor system and multi-compressor parallel system
CN104197595B (en) * 2014-09-01 2016-08-24 珠海格力电器股份有限公司 Method for judging whether gas supply amount of two-stage compressor exceeds range or not and heat exchange equipment
CN105180493B (en) * 2015-09-01 2019-12-24 珠海格力电器股份有限公司 Compressor module, multi-module unit and oil balancing control method of multi-module unit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009109065A (en) * 2007-10-29 2009-05-21 Hitachi Appliances Inc Refrigeration equipment
EP2230472A1 (en) * 2007-11-30 2010-09-22 Daikin Industries, Ltd. Freezing apparatus
WO2010052853A1 (en) * 2008-11-04 2010-05-14 ダイキン工業株式会社 Refrigeration device
JP2010139109A (en) * 2008-12-09 2010-06-24 Mitsubishi Heavy Ind Ltd Refrigeration cycle
EP2339265A2 (en) * 2009-12-25 2011-06-29 Sanyo Electric Co., Ltd. Refrigerating apparatus
EP2752628A1 (en) * 2011-08-31 2014-07-09 Mitsubishi Heavy Industries, Ltd. Supercritical cycle and heat pump hot-water supplier using same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017126539A1 *

Also Published As

Publication number Publication date
AU2017209481B2 (en) 2019-07-11
EP3379169A1 (en) 2018-09-26
CN108369037A (en) 2018-08-03
WO2017126539A1 (en) 2017-07-27
JP2017129310A (en) 2017-07-27
JP6718240B2 (en) 2020-07-08
CN108369037B (en) 2020-05-26
AU2017209481A1 (en) 2018-06-28

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