GB2269684B - Refrigerating Apparatus - Google Patents

Refrigerating Apparatus

Info

Publication number
GB2269684B
GB2269684B GB9315007A GB9315007A GB2269684B GB 2269684 B GB2269684 B GB 2269684B GB 9315007 A GB9315007 A GB 9315007A GB 9315007 A GB9315007 A GB 9315007A GB 2269684 B GB2269684 B GB 2269684B
Authority
GB
United Kingdom
Prior art keywords
refrigerating apparatus
refrigerating
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.)
Expired - Fee Related
Application number
GB9315007A
Other versions
GB2269684A (en
GB9315007D0 (en
Inventor
Tetsuo Shimode
Yoshikazu Amo
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
Publication of GB9315007D0 publication Critical patent/GB9315007D0/en
Publication of GB2269684A publication Critical patent/GB2269684A/en
Application granted granted Critical
Publication of GB2269684B publication Critical patent/GB2269684B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0003—Exclusively-fluid 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
    • 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
    • F25B49/022—Compressor control arrangements
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1912—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can take more than two discrete values
    • 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
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)
GB9315007A 1992-07-23 1993-07-20 Refrigerating Apparatus Expired - Fee Related GB2269684B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4196744A JP2708053B2 (en) 1992-07-23 1992-07-23 Refrigerator temperature controller

Publications (3)

Publication Number Publication Date
GB9315007D0 GB9315007D0 (en) 1993-09-01
GB2269684A GB2269684A (en) 1994-02-16
GB2269684B true GB2269684B (en) 1996-05-22

Family

ID=16362886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9315007A Expired - Fee Related GB2269684B (en) 1992-07-23 1993-07-20 Refrigerating Apparatus

Country Status (2)

Country Link
JP (1) JP2708053B2 (en)
GB (1) GB2269684B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2309552B (en) * 1996-01-25 2000-01-19 Rwl Consultants Ltd Failsafe system monitoring
US6206652B1 (en) 1998-08-25 2001-03-27 Copeland Corporation Compressor capacity modulation
JP5106819B2 (en) * 2006-10-20 2012-12-26 三菱重工業株式会社 HEAT SOURCE DEVICE, HEAT SOURCE SYSTEM, AND HEAT SOURCE DEVICE CONTROL METHOD
EP2012068A1 (en) * 2007-06-04 2009-01-07 RHOSS S.p.A. Method for regulating the delivery temperature of a service fluid in output from a refrigerating machine
US8157538B2 (en) 2007-07-23 2012-04-17 Emerson Climate Technologies, Inc. Capacity modulation system for compressor and method
MX2011007293A (en) 2009-01-27 2011-09-01 Emerson Climate Technologies Unloader system and method for a compressor.
US10378533B2 (en) 2011-12-06 2019-08-13 Bitzer Us, Inc. Control for compressor unloading system
JP6434910B2 (en) * 2012-08-20 2018-12-05 アジャイル ８ コンサルティング リミテッドＡｇｉｌｅ ８ Ｃｏｎｓｕｌｔｉｎｇ Ｌｉｍｉｔｅｄ System and method for improving the efficiency of a coolant system
JP6264532B2 (en) * 2013-11-01 2018-01-24 三浦工業株式会社 Food machine with vacuum cooling function
US20230092474A1 (en) * 2021-09-23 2023-03-23 Carel Industries S.P.A Regulation method and regulation apparatus of a refrigeration plant and respective refrigeration plant including such apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202968A (en) * 1987-01-29 1988-10-05 Michael Charles Nash Heat exchanger control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5934257B2 (en) * 1979-07-06 1984-08-21 三菱電機株式会社 water cooling device
JPS56164477U (en) * 1980-05-09 1981-12-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202968A (en) * 1987-01-29 1988-10-05 Michael Charles Nash Heat exchanger control

Also Published As

Publication number Publication date
GB2269684A (en) 1994-02-16
JPH06101910A (en) 1994-04-12
GB9315007D0 (en) 1993-09-01
JP2708053B2 (en) 1998-02-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050720