EP0631095A3 - Refrigeration cycle and method of controlling the refrigeration composition ratio of the refrigeration cycle. - Google Patents

Refrigeration cycle and method of controlling the refrigeration composition ratio of the refrigeration cycle. Download PDF

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Publication number
EP0631095A3
EP0631095A3 EP94109583A EP94109583A EP0631095A3 EP 0631095 A3 EP0631095 A3 EP 0631095A3 EP 94109583 A EP94109583 A EP 94109583A EP 94109583 A EP94109583 A EP 94109583A EP 0631095 A3 EP0631095 A3 EP 0631095A3
Authority
EP
European Patent Office
Prior art keywords
refrigeration
refrigeration cycle
controlling
composition ratio
cycle
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
EP94109583A
Other languages
German (de)
French (fr)
Other versions
EP0631095B1 (en
EP0631095A2 (en
Inventor
Kensaku Oguni
Kazumoto Urata
Masatoshi Muramatsu
Takeshi Endo
Hiroaki Matsushima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to EP98101094A priority Critical patent/EP0838643B1/en
Publication of EP0631095A2 publication Critical patent/EP0631095A2/en
Publication of EP0631095A3 publication Critical patent/EP0631095A3/en
Application granted granted Critical
Publication of EP0631095B1 publication Critical patent/EP0631095B1/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
    • F25B2400/13—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
    • 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

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)
EP19940109583 1993-06-24 1994-06-21 Method of sealing in a non-azeotrope refrigerant and controlling the composition of the refrigerant in a refrigeration cycle Expired - Lifetime EP0631095B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP98101094A EP0838643B1 (en) 1993-06-24 1994-06-21 Refrigeration cycle using a non-azeotrope refrigerant

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP15324693A JPH0712411A (en) 1993-06-24 1993-06-24 Refrigerating cycle and control method of ratio of composition of refrigerant for same
JP15324693 1993-06-24
JP153246/93 1993-06-24

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP98101094A Division EP0838643B1 (en) 1993-06-24 1994-06-21 Refrigeration cycle using a non-azeotrope refrigerant

Publications (3)

Publication Number Publication Date
EP0631095A2 EP0631095A2 (en) 1994-12-28
EP0631095A3 true EP0631095A3 (en) 1995-03-01
EP0631095B1 EP0631095B1 (en) 2000-01-12

Family

ID=15558261

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98101094A Expired - Lifetime EP0838643B1 (en) 1993-06-24 1994-06-21 Refrigeration cycle using a non-azeotrope refrigerant
EP19940109583 Expired - Lifetime EP0631095B1 (en) 1993-06-24 1994-06-21 Method of sealing in a non-azeotrope refrigerant and controlling the composition of the refrigerant in a refrigeration cycle

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP98101094A Expired - Lifetime EP0838643B1 (en) 1993-06-24 1994-06-21 Refrigeration cycle using a non-azeotrope refrigerant

Country Status (3)

Country Link
EP (2) EP0838643B1 (en)
JP (1) JPH0712411A (en)
DE (2) DE69422551T2 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1135341C (en) * 1994-05-30 2004-01-21 三菱电机株式会社 Refrigerating circulating system and refrigerating air conditioning device
ES2176850T3 (en) * 1994-07-21 2002-12-01 Mitsubishi Electric Corp AIR CONDITIONER USING A NON-AZEOTROPIC REFRIGERANT AND INTEGRATING A CONTROL INFORMATION DETECTOR APPARATUS.
US5927087A (en) * 1994-11-29 1999-07-27 Ishikawa; Atuyumi Refrigerating cycle
JPH08152207A (en) * 1994-11-29 1996-06-11 Sanyo Electric Co Ltd Air conditioner
JPH08254363A (en) * 1995-03-15 1996-10-01 Toshiba Corp Air conditioning control device
JP3655681B2 (en) * 1995-06-23 2005-06-02 三菱電機株式会社 Refrigerant circulation system
JPH10267436A (en) * 1997-01-21 1998-10-09 Mitsubishi Electric Corp Refrigerating air-conditioning device
JP3185722B2 (en) * 1997-08-20 2001-07-11 三菱電機株式会社 Refrigeration air conditioner and method for determining refrigerant composition of refrigeration air conditioner
US5848537A (en) * 1997-08-22 1998-12-15 Carrier Corporation Variable refrigerant, intrastage compression heat pump
JP2002081777A (en) 2000-09-08 2002-03-22 Hitachi Ltd Refrigeration cycle
JP4848608B2 (en) * 2001-09-12 2011-12-28 三菱電機株式会社 Refrigerant circuit
KR20050072299A (en) * 2004-01-06 2005-07-11 삼성전자주식회사 Cooling and heating air conditioning system
US20090301108A1 (en) * 2008-06-05 2009-12-10 Alstom Technology Ltd Multi-refrigerant cooling system with provisions for adjustment of refrigerant composition
JP5748850B2 (en) * 2011-06-16 2015-07-15 三菱電機株式会社 Air conditioner
GB2511670B (en) * 2011-12-22 2018-01-31 Mitsubishi Electric Corp Refrigeration cycle device
KR102477524B1 (en) * 2018-01-26 2022-12-15 엘지전자 주식회사 An air conditioner
NO344169B1 (en) * 2018-06-04 2019-09-30 Waertsilae Gas Solutions Norway As Method and system for storage and transport of liquefied petroleum gases
JP7258106B2 (en) * 2018-06-29 2023-04-14 三菱電機株式会社 refrigeration cycle equipment
FR3111193B1 (en) 2020-06-04 2023-06-16 Commissariat Energie Atomique Method for determining the evolution of the circulating composition of a working fluid

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668882A (en) * 1970-04-29 1972-06-13 Exxon Research Engineering Co Refrigeration inventory control
JPS59129366A (en) * 1983-01-11 1984-07-25 株式会社日立製作所 Refrigerator
DE3406588A1 (en) * 1984-02-23 1985-08-29 Siemens AG, 1000 Berlin und 8000 München Heat pump with nonazeotropic cold mixtures, in particular for room heating of a dwelling house
EP0196051A2 (en) * 1985-03-25 1986-10-01 Matsushita Electric Industrial Co., Ltd. Heat pump with a reservoir storing higher pressure refrigerant of non-azeotropic mixture
US4624112A (en) * 1985-08-26 1986-11-25 Murray Corporation Automotive air conditioner charging station with over-ride controls
US4700549A (en) * 1986-06-11 1987-10-20 Sundstrand Corporation On-board refrigerant charging system
US4913714A (en) * 1987-08-03 1990-04-03 Nippondenso Co., Ltd. Automotive air conditioner
US4961323A (en) * 1988-04-25 1990-10-09 Nippondenso Co., Ltd. Automotive air conditioner
US4972676A (en) * 1988-12-23 1990-11-27 Kabushiki Kaisha Toshiba Refrigeration cycle apparatus having refrigerant separating system with pressure swing adsorption
US5056329A (en) * 1990-06-25 1991-10-15 Battelle Memorial Institute Heat pump systems
US5062275A (en) * 1989-03-09 1991-11-05 Nippondenso Co., Ltd. Automotive air conditioner
EP0518394A2 (en) * 1988-12-28 1992-12-16 Matsushita Electric Industrial Co., Ltd. Heat pump apparatus
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
JPH05118677A (en) * 1991-10-29 1993-05-14 Ebara Corp Refrigerant for refrigerator and refrigerator employing the same refrigerant
WO1994007095A1 (en) * 1992-09-15 1994-03-31 Fritz Egger Gmbh Process and system for regulating the capacity of a compression heat pump and/or refrigerating machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61213554A (en) 1985-03-20 1986-09-22 松下電器産業株式会社 Refrigerant ratio variable controller for refrigeration cycle
JPH0833254B2 (en) 1987-08-29 1996-03-29 ダイキン工業株式会社 Heat pump system
JP3178103B2 (en) * 1992-08-31 2001-06-18 株式会社日立製作所 Refrigeration cycle

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668882A (en) * 1970-04-29 1972-06-13 Exxon Research Engineering Co Refrigeration inventory control
JPS59129366A (en) * 1983-01-11 1984-07-25 株式会社日立製作所 Refrigerator
DE3406588A1 (en) * 1984-02-23 1985-08-29 Siemens AG, 1000 Berlin und 8000 München Heat pump with nonazeotropic cold mixtures, in particular for room heating of a dwelling house
EP0196051A2 (en) * 1985-03-25 1986-10-01 Matsushita Electric Industrial Co., Ltd. Heat pump with a reservoir storing higher pressure refrigerant of non-azeotropic mixture
US4624112A (en) * 1985-08-26 1986-11-25 Murray Corporation Automotive air conditioner charging station with over-ride controls
US4700549A (en) * 1986-06-11 1987-10-20 Sundstrand Corporation On-board refrigerant charging system
US4913714A (en) * 1987-08-03 1990-04-03 Nippondenso Co., Ltd. Automotive air conditioner
US4961323A (en) * 1988-04-25 1990-10-09 Nippondenso Co., Ltd. Automotive air conditioner
US4972676A (en) * 1988-12-23 1990-11-27 Kabushiki Kaisha Toshiba Refrigeration cycle apparatus having refrigerant separating system with pressure swing adsorption
EP0518394A2 (en) * 1988-12-28 1992-12-16 Matsushita Electric Industrial Co., Ltd. Heat pump apparatus
US5062275A (en) * 1989-03-09 1991-11-05 Nippondenso Co., Ltd. Automotive air conditioner
US5056329A (en) * 1990-06-25 1991-10-15 Battelle Memorial Institute Heat pump systems
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
JPH05118677A (en) * 1991-10-29 1993-05-14 Ebara Corp Refrigerant for refrigerator and refrigerator employing the same refrigerant
WO1994007095A1 (en) * 1992-09-15 1994-03-31 Fritz Egger Gmbh Process and system for regulating the capacity of a compression heat pump and/or refrigerating machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 17, no. 490 (M - 1474) 6 September 1993 (1993-09-06) *

Also Published As

Publication number Publication date
EP0631095B1 (en) 2000-01-12
DE69432489T2 (en) 2004-02-12
EP0838643A3 (en) 2000-11-15
JPH0712411A (en) 1995-01-17
EP0838643B1 (en) 2003-04-09
DE69422551D1 (en) 2000-02-17
DE69422551T2 (en) 2000-08-03
EP0838643A2 (en) 1998-04-29
EP0631095A2 (en) 1994-12-28
DE69432489D1 (en) 2003-05-15

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