EP3249317A4 - Oil return circuit and oil return method for refrigerating cycle - Google Patents

Oil return circuit and oil return method for refrigerating cycle Download PDF

Info

Publication number
EP3249317A4
EP3249317A4 EP16755055.7A EP16755055A EP3249317A4 EP 3249317 A4 EP3249317 A4 EP 3249317A4 EP 16755055 A EP16755055 A EP 16755055A EP 3249317 A4 EP3249317 A4 EP 3249317A4
Authority
EP
European Patent Office
Prior art keywords
oil return
refrigerating cycle
circuit
return circuit
return method
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.)
Granted
Application number
EP16755055.7A
Other languages
German (de)
French (fr)
Other versions
EP3249317A1 (en
EP3249317B1 (en
Inventor
Yoshiaki Miyamoto
Yoshiyuki Kimata
Yogo Takasu
Kazuki Takahashi
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 EP3249317A1 publication Critical patent/EP3249317A1/en
Publication of EP3249317A4 publication Critical patent/EP3249317A4/en
Application granted granted Critical
Publication of EP3249317B1 publication Critical patent/EP3249317B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • 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
    • F25B2500/16—Lubrication
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2105—Oil temperatures

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)
  • Rotary Pumps (AREA)
EP16755055.7A 2015-02-26 2016-01-13 Oil return circuit and oil return method for refrigerating cycle Active EP3249317B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015036885A JP6495048B2 (en) 2015-02-26 2015-02-26 Oil return circuit and oil return method for refrigeration cycle
PCT/JP2016/050793 WO2016136305A1 (en) 2015-02-26 2016-01-13 Oil return circuit and oil return method for refrigerating cycle

Publications (3)

Publication Number Publication Date
EP3249317A1 EP3249317A1 (en) 2017-11-29
EP3249317A4 true EP3249317A4 (en) 2018-03-14
EP3249317B1 EP3249317B1 (en) 2019-04-24

Family

ID=56788097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16755055.7A Active EP3249317B1 (en) 2015-02-26 2016-01-13 Oil return circuit and oil return method for refrigerating cycle

Country Status (6)

Country Link
EP (1) EP3249317B1 (en)
JP (1) JP6495048B2 (en)
KR (1) KR102099665B1 (en)
CN (1) CN107532824A (en)
AU (1) AU2016225575B2 (en)
WO (1) WO2016136305A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019021360A1 (en) * 2017-07-25 2019-01-31 三菱電機株式会社 Refrigeration cycle device
CN110892209B (en) * 2017-08-04 2021-12-28 三菱电机株式会社 Refrigeration cycle device and heat source unit
CN109163479A (en) * 2018-10-18 2019-01-08 中国科学院广州能源研究所 A kind of automatic oil return gas engine heat pump system
KR20200071975A (en) * 2018-12-12 2020-06-22 엘지전자 주식회사 Air Conditioner
CN110440402B (en) * 2019-07-02 2021-09-21 青岛海尔空调电子有限公司 Air conditioner and oil return control method thereof
US20220049879A1 (en) * 2019-09-13 2022-02-17 Carrier Corporation Vapor compression system
JPWO2022085125A1 (en) * 2020-10-21 2022-04-28
CN113483449B (en) * 2021-07-09 2022-09-06 青岛海尔空调器有限总公司 Oil return control method for indoor unit
CN114353360B (en) * 2022-01-06 2024-02-23 青岛海尔空调电子有限公司 Dual compressor refrigerant cycle system and control method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2339266A2 (en) * 2009-12-25 2011-06-29 Sanyo Electric Co., Ltd. Refrigerating apparatus

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06337171A (en) 1993-03-30 1994-12-06 Mitsubishi Heavy Ind Ltd Refrigerating device
JPH0719634A (en) * 1993-06-30 1995-01-20 Mitsubishi Electric Corp Compressor unit
JPH08152207A (en) * 1994-11-29 1996-06-11 Sanyo Electric Co Ltd Air conditioner
JPH1183204A (en) 1997-09-12 1999-03-26 Mitsubishi Heavy Ind Ltd Air conditioner
JP2002139261A (en) * 2000-11-01 2002-05-17 Mitsubishi Electric Corp Refrigeration cycle apparatus
JP2005083704A (en) * 2003-09-10 2005-03-31 Mitsubishi Electric Corp Refrigerating cycle and air conditioner
JP2005214515A (en) * 2004-01-29 2005-08-11 Mitsubishi Heavy Ind Ltd Refrigeration cycle device, compressor of refrigeration cycle device, and lubricant returning operation control method
JP2006170500A (en) * 2004-12-14 2006-06-29 Mitsubishi Heavy Ind Ltd Air conditioner and its operating method
JP2006170570A (en) 2004-12-17 2006-06-29 Hitachi Ltd Refrigerating apparatus
JP5017037B2 (en) * 2007-09-26 2012-09-05 三洋電機株式会社 Refrigeration cycle equipment
JP4975052B2 (en) * 2009-03-30 2012-07-11 三菱電機株式会社 Refrigeration cycle equipment
CN101576337B (en) * 2009-04-28 2010-09-08 浙江盾安机电科技有限公司 Intelligent oil path control system
JP5502459B2 (en) * 2009-12-25 2014-05-28 三洋電機株式会社 Refrigeration equipment
JP5333305B2 (en) * 2010-03-18 2013-11-06 パナソニック株式会社 Refrigeration cycle equipment
JP5903595B2 (en) * 2011-05-27 2016-04-13 パナソニックＩｐマネジメント株式会社 Ultra-low temperature refrigeration equipment
JP5988828B2 (en) 2012-10-29 2016-09-07 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー（ホンコン）リミテッド Refrigeration cycle equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2339266A2 (en) * 2009-12-25 2011-06-29 Sanyo Electric Co., Ltd. Refrigerating apparatus

Also Published As

Publication number Publication date
CN107532824A (en) 2018-01-02
EP3249317A1 (en) 2017-11-29
EP3249317B1 (en) 2019-04-24
WO2016136305A1 (en) 2016-09-01
KR102099665B1 (en) 2020-04-10
JP6495048B2 (en) 2019-04-03
JP2016161138A (en) 2016-09-05
AU2016225575A1 (en) 2017-08-24
KR20170102987A (en) 2017-09-12
AU2016225575B2 (en) 2018-11-01

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