EP1293735A3 - Refrigerant circuit - Google Patents

Refrigerant circuit Download PDF

Info

Publication number
EP1293735A3
EP1293735A3 EP02020405A EP02020405A EP1293735A3 EP 1293735 A3 EP1293735 A3 EP 1293735A3 EP 02020405 A EP02020405 A EP 02020405A EP 02020405 A EP02020405 A EP 02020405A EP 1293735 A3 EP1293735 A3 EP 1293735A3
Authority
EP
European Patent Office
Prior art keywords
refrigerant
refrigerant circuit
bypass pipe
pipe
circuit
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
EP02020405A
Other languages
German (de)
French (fr)
Other versions
EP1293735A2 (en
EP1293735B1 (en
Inventor
Kunio Sugiyama
Yoichi Yamada
Shigeo Zuiki
Yoshiki Nagasaki
Yoshihiro Sumida
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 EP1293735A2 publication Critical patent/EP1293735A2/en
Publication of EP1293735A3 publication Critical patent/EP1293735A3/en
Application granted granted Critical
Publication of EP1293735B1 publication Critical patent/EP1293735B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F25B9/006—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant containing more than one component
    • 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
    • F25B13/00—Compression machines, plants or systems, with 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
    • 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
    • F25B2400/0415—Refrigeration circuit bypassing means for the receiver
    • 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
    • F25B2400/16—Receivers
    • 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
    • F25B45/00—Arrangements for charging or discharging refrigerant

Abstract

In a refrigerant circuit, an expansion valve 4 is connected to a heat exchanger 5 by a refrigerant pipe, and a bypass pipe 7/9 is provided. By way of a bypass pipe 9 having a check valve 10, a refrigerant is returned to a refrigerant circuit from a refrigerant amount control tank 8 that is installed in the bypass pipe 7/9. <IMAGE>
EP02020405A 2001-09-12 2002-09-10 Refrigerant circuit Expired - Lifetime EP1293735B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001276040A JP4848608B2 (en) 2001-09-12 2001-09-12 Refrigerant circuit
JP2001276040 2001-09-12

Publications (3)

Publication Number Publication Date
EP1293735A2 EP1293735A2 (en) 2003-03-19
EP1293735A3 true EP1293735A3 (en) 2003-05-28
EP1293735B1 EP1293735B1 (en) 2007-03-14

Family

ID=19100808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02020405A Expired - Lifetime EP1293735B1 (en) 2001-09-12 2002-09-10 Refrigerant circuit

Country Status (7)

Country Link
EP (1) EP1293735B1 (en)
JP (1) JP4848608B2 (en)
CN (1) CN1173139C (en)
AT (1) ATE356962T1 (en)
DE (1) DE60218793T2 (en)
ES (1) ES2284756T3 (en)
PT (1) PT1293735E (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5157580B2 (en) * 2008-03-28 2013-03-06 ダイキン工業株式会社 Refrigeration equipment
CN101949621A (en) * 2010-09-30 2011-01-19 广东志高空调有限公司 Energy-saving air conditioner with refrigerant adjusting function
JP2012077983A (en) * 2010-09-30 2012-04-19 Daikin Industries Ltd Refrigerating circuit
JP5765211B2 (en) * 2011-12-13 2015-08-19 ダイキン工業株式会社 Refrigeration equipment
AT513637B1 (en) * 2012-12-13 2016-05-15 Herz Energietechnik Gmbh Heat pump method and apparatus for optimizing subcooling during the condensation process in the cold vapor compression process
WO2015018054A2 (en) * 2013-08-09 2015-02-12 Trane Air Conditioning Systems (China) Co., Ltd. Transitional refrigerant migration control in refrigeration systems
KR101669971B1 (en) * 2014-11-17 2016-10-27 엘지전자 주식회사 Air conditioner
CN105674640B (en) * 2014-11-18 2018-04-17 上海海立电器有限公司 The flux matched regulating device of air-conditioning system refrigerant charging and method
EP3367021B1 (en) 2015-10-20 2022-02-23 Mitsubishi Electric Corporation Refrigeration cycle device
US11105544B2 (en) 2016-11-07 2021-08-31 Trane International Inc. Variable orifice for a chiller
CN106482303B (en) * 2016-11-25 2022-05-17 广州华凌制冷设备有限公司 Air conditioner and refrigeration control method thereof
WO2020066003A1 (en) * 2018-09-28 2020-04-02 三菱電機株式会社 Refrigerating cycle apparatus
CN109974169B (en) * 2019-02-28 2021-02-19 浙江高翔工贸有限公司 Double-working-medium air conditioner
JP2022045699A (en) * 2020-09-09 2022-03-22 富士通株式会社 Cooling device, electronic apparatus, and cooling method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0301503A2 (en) * 1987-07-31 1989-02-01 Matsushita Electric Industrial Co., Ltd. Heat pump system
US4961323A (en) * 1988-04-25 1990-10-09 Nippondenso Co., Ltd. Automotive air conditioner
US5186012A (en) * 1991-09-24 1993-02-16 Institute Of Gas Technology Refrigerant composition control system for use in heat pumps using non-azeotropic refrigerant mixtures
EP0631095A2 (en) * 1993-06-24 1994-12-28 Hitachi, Ltd. Refrigeration cycle and method of controlling the refrigeration composition ratio of the refrigeration cycle
JPH07120119A (en) * 1993-10-28 1995-05-12 Hitachi Ltd Air conditioner

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0627589B2 (en) * 1985-11-19 1994-04-13 三洋電機株式会社 Heat pump refrigeration system
JPH0745982B2 (en) * 1988-08-31 1995-05-17 松下電器産業株式会社 Heat pump device
JPH0414975A (en) * 1990-05-08 1992-01-20 Sharp Corp Picture reproducing device
JPH06341741A (en) * 1993-06-01 1994-12-13 Daikin Ind Ltd Defrosting controller for refrigerating device
JPH10119561A (en) * 1996-10-14 1998-05-12 Calsonic Corp Air conditioner for automobile
JP2000179957A (en) * 1998-12-17 2000-06-30 Hitachi Ltd Air conditioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0301503A2 (en) * 1987-07-31 1989-02-01 Matsushita Electric Industrial Co., Ltd. Heat pump system
US4961323A (en) * 1988-04-25 1990-10-09 Nippondenso Co., Ltd. Automotive air conditioner
US5186012A (en) * 1991-09-24 1993-02-16 Institute Of Gas Technology Refrigerant composition control system for use in heat pumps using non-azeotropic refrigerant mixtures
EP0631095A2 (en) * 1993-06-24 1994-12-28 Hitachi, Ltd. Refrigeration cycle and method of controlling the refrigeration composition ratio of the refrigeration cycle
JPH07120119A (en) * 1993-10-28 1995-05-12 Hitachi Ltd Air conditioner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 08 29 September 1995 (1995-09-29) *

Also Published As

Publication number Publication date
CN1405515A (en) 2003-03-26
ATE356962T1 (en) 2007-04-15
JP4848608B2 (en) 2011-12-28
PT1293735E (en) 2007-05-31
CN1173139C (en) 2004-10-27
EP1293735A2 (en) 2003-03-19
JP2003083644A (en) 2003-03-19
EP1293735B1 (en) 2007-03-14
DE60218793T2 (en) 2007-12-06
ES2284756T3 (en) 2007-11-16
DE60218793D1 (en) 2007-04-26

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