EP1923645A4 - Control system for refrigerating machine employing non-azeotropic refrigerant - Google Patents

Control system for refrigerating machine employing non-azeotropic refrigerant

Info

Publication number
EP1923645A4
EP1923645A4 EP06766729A EP06766729A EP1923645A4 EP 1923645 A4 EP1923645 A4 EP 1923645A4 EP 06766729 A EP06766729 A EP 06766729A EP 06766729 A EP06766729 A EP 06766729A EP 1923645 A4 EP1923645 A4 EP 1923645A4
Authority
EP
European Patent Office
Prior art keywords
control system
refrigerating machine
azeotropic refrigerant
machine employing
employing non
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Withdrawn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
EP06766729A
Other languages
German (de)
French (fr)
Other versions
EP1923645A1 (en
Inventor
Susumu Kurita
Nobuyoshi Kurita
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.)
Dairei Co Ltd
Nihon Freezer Co Ltd
Original Assignee
Dairei Co Ltd
Nihon Freezer Co 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 Dairei Co Ltd, Nihon Freezer Co Ltd filed Critical Dairei Co Ltd
Publication of EP1923645A1 publication Critical patent/EP1923645A1/en
Publication of EP1923645A4 publication Critical patent/EP1923645A4/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Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/385—Dispositions with two or more expansion means arranged in parallel 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
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves
    • 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
    • F25B2700/2104—Temperatures of an indoor room or compartment
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP06766729A 2005-09-08 2006-06-14 Control system for refrigerating machine employing non-azeotropic refrigerant Withdrawn EP1923645A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005260151A JP2007071468A (en) 2005-09-08 2005-09-08 Refrigerating machine control system using zeotropic refrigerant
PCT/JP2006/311961 WO2007029390A1 (en) 2005-09-08 2006-06-14 Control system for refrigerating machine employing non-azeotropic refrigerant

Publications (2)

Publication Number Publication Date
EP1923645A1 EP1923645A1 (en) 2008-05-21
EP1923645A4 true EP1923645A4 (en) 2009-02-18

Family

ID=37835521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06766729A Withdrawn EP1923645A4 (en) 2005-09-08 2006-06-14 Control system for refrigerating machine employing non-azeotropic refrigerant

Country Status (7)

Country Link
US (1) US20080302116A1 (en)
EP (1) EP1923645A4 (en)
JP (1) JP2007071468A (en)
KR (1) KR20080042035A (en)
CN (1) CN101128707A (en)
TW (1) TWI310827B (en)
WO (1) WO2007029390A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090038322A1 (en) * 2006-03-30 2009-02-12 Carrier Corporation Transport refrigeration unit
IT1392820B1 (en) * 2008-08-06 2012-03-23 Dominici DEVICE FOR CELL CULTURE
JP2010043758A (en) * 2008-08-08 2010-02-25 Fuji Electric Retail Systems Co Ltd Cooling device
DE102011006174B4 (en) * 2011-03-25 2014-07-24 Bruker Biospin Ag Refrigeration device with controllable evaporation temperature
DE102013005476A1 (en) * 2012-04-01 2013-10-02 Liebherr-Hausgeräte Ochsenhausen GmbH Fridge and / or freezer
US8739567B2 (en) 2012-06-08 2014-06-03 General Electric Company Dual evaporator refrigeration system using zeotropic refrigerant mixture
CN105371546A (en) * 2014-08-25 2016-03-02 谢德音 Method capable of changing refrigerant evaporation flow and controlling refrigerant channels
DK181305B1 (en) 2019-01-15 2023-08-07 Maersk Container Ind A/S CALIBRATION OF COOLANT SATURATION TEMPERATURE IN A COOLING SYSTEM
CN114719471A (en) * 2022-03-08 2022-07-08 澳柯玛股份有限公司 Mixed refrigerant refrigerating system and refrigerating method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0126237A2 (en) * 1983-04-22 1984-11-28 Mitsubishi Denki Kabushiki Kaisha Refrigeration cycle systems and refrigerators
JPH01200155A (en) * 1988-02-03 1989-08-11 Yazaki Corp Method of controlling quantity of coolant and device used therefor
JPH0650646A (en) * 1992-07-31 1994-02-25 Sanyo Electric Co Ltd Refrigerator
GB2328270A (en) * 1997-08-13 1999-02-17 Toshiba Kk Air conditioner
JP2002062020A (en) * 2000-08-17 2002-02-28 Toshiba Corp Refrigerator
JP2003021473A (en) * 2001-07-03 2003-01-24 Nihon Freezer Kk Heat exchanger for circulating refrigerater system having non-azeotropic refrigerant
WO2004051155A1 (en) * 2002-12-03 2004-06-17 Nihon Freezer Co.,Ltd. Refrigerator system using non-azeotropic refrigerant, and non-azeotropic refrigerant for very low temperature used for the system
JP2004286329A (en) * 2003-03-24 2004-10-14 Sanyo Electric Co Ltd Refrigerant cycle device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924161A (en) * 1982-07-30 1984-02-07 三菱電機株式会社 Freezing-refrigerator
JPS5984052A (en) * 1982-11-05 1984-05-15 三菱重工業株式会社 Method of controlling capability of refrigerator
US4771610A (en) * 1986-06-06 1988-09-20 Mitsubishi Denki Kabushiki Kaisha Multiroom air conditioner
JP2002039637A (en) * 2000-07-25 2002-02-06 Shin Meiwa Ind Co Ltd Freezer and freezing method
US6631621B2 (en) * 2001-07-03 2003-10-14 Thermo King Corporation Cryogenic temperature control apparatus and method
JP2004198063A (en) * 2002-12-20 2004-07-15 Sanyo Electric Co Ltd Non-azeotropic refrigerant mixture, refrigerating cycle and refrigerating device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0126237A2 (en) * 1983-04-22 1984-11-28 Mitsubishi Denki Kabushiki Kaisha Refrigeration cycle systems and refrigerators
JPH01200155A (en) * 1988-02-03 1989-08-11 Yazaki Corp Method of controlling quantity of coolant and device used therefor
JPH0650646A (en) * 1992-07-31 1994-02-25 Sanyo Electric Co Ltd Refrigerator
GB2328270A (en) * 1997-08-13 1999-02-17 Toshiba Kk Air conditioner
JP2002062020A (en) * 2000-08-17 2002-02-28 Toshiba Corp Refrigerator
JP2003021473A (en) * 2001-07-03 2003-01-24 Nihon Freezer Kk Heat exchanger for circulating refrigerater system having non-azeotropic refrigerant
WO2004051155A1 (en) * 2002-12-03 2004-06-17 Nihon Freezer Co.,Ltd. Refrigerator system using non-azeotropic refrigerant, and non-azeotropic refrigerant for very low temperature used for the system
JP2004286329A (en) * 2003-03-24 2004-10-14 Sanyo Electric Co Ltd Refrigerant cycle device

Also Published As

Publication number Publication date
US20080302116A1 (en) 2008-12-11
JP2007071468A (en) 2007-03-22
KR20080042035A (en) 2008-05-14
CN101128707A (en) 2008-02-20
WO2007029390A1 (en) 2007-03-15
EP1923645A1 (en) 2008-05-21
TWI310827B (en) 2009-06-11
TW200710355A (en) 2007-03-16

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20070323

AK Designated contracting states

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DAX Request for extension of the european patent (deleted)
RBV Designated contracting states (corrected)

Designated state(s): AT CH DE DK GB LI

A4 Supplementary search report drawn up and despatched

Effective date: 20090121

17Q First examination report despatched

Effective date: 20090415

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20100422