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GB2180673B - Method of regulating the operating pressure of a refrigeration circuit in a refrigerating plant - Google Patents
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GB2180673B - Method of regulating the operating pressure of a refrigeration circuit in a refrigerating plant - Google Patents

Method of regulating the operating pressure of a refrigeration circuit in a refrigerating plant

Info

Publication number
GB2180673B
GB2180673B GB8620696A GB8620696A GB2180673B GB 2180673 B GB2180673 B GB 2180673B GB 8620696 A GB8620696 A GB 8620696A GB 8620696 A GB8620696 A GB 8620696A GB 2180673 B GB2180673 B GB 2180673B
Authority
GB
United Kingdom
Prior art keywords
regulating
operating pressure
refrigerating plant
refrigeration circuit
refrigeration
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
Application number
GB8620696A
Other versions
GB2180673A (en
GB8620696D0 (en
Inventor
Andrea Verondini
Bona Daniele De
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.)
Costan SpA
Original Assignee
Costan SpA
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 Costan SpA filed Critical Costan SpA
Publication of GB8620696D0 publication Critical patent/GB8620696D0/en
Publication of GB2180673A publication Critical patent/GB2180673A/en
Application granted granted Critical
Publication of GB2180673B publication Critical patent/GB2180673B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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—Component parts or details not otherwise provided for in this subclass
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors
    • 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)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Air Conditioning Control Device (AREA)
GB8620696A 1985-09-18 1986-08-27 Method of regulating the operating pressure of a refrigeration circuit in a refrigerating plant Expired GB2180673B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8522184A IT1185938B (en) 1985-09-18 1985-09-18 METHOD OF ADJUSTING THE OPERATING PRESSURE OF A REFRIGERANT CIRCUIT IN A MULTIPLE COMPRESSOR REFRIGERATOR SYSTEM

Publications (3)

Publication Number Publication Date
GB8620696D0 GB8620696D0 (en) 1986-10-08
GB2180673A GB2180673A (en) 1987-04-01
GB2180673B true GB2180673B (en) 1989-08-23

Family

ID=11192738

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8620696A Expired GB2180673B (en) 1985-09-18 1986-08-27 Method of regulating the operating pressure of a refrigeration circuit in a refrigerating plant

Country Status (4)

Country Link
BE (1) BE905443A (en)
FR (1) FR2587463A1 (en)
GB (1) GB2180673B (en)
IT (1) IT1185938B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100423970B1 (en) * 2001-11-24 2004-03-22 삼성전자주식회사 Air conditioner and control method thereof
EP1980805B1 (en) 2005-03-18 2009-09-02 Danfoss A/S A method for controlling a refrigeration system
GB2542141B (en) * 2015-09-08 2021-01-06 Origami Energy Ltd Refrigeration load with improved responsiveness

Also Published As

Publication number Publication date
IT1185938B (en) 1987-11-18
FR2587463A1 (en) 1987-03-20
GB2180673A (en) 1987-04-01
IT8522184A0 (en) 1985-09-18
GB8620696D0 (en) 1986-10-08
BE905443A (en) 1987-01-16

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Legal Events

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