IT8522184A0 - METHOD OF ADJUSTING THE WORKING PRESSURE OF A REFRIGERATING CIRCUIT IN A MULTIPLE COMPRESSOR REFRIGERATING SYSTEM. - Google Patents

METHOD OF ADJUSTING THE WORKING PRESSURE OF A REFRIGERATING CIRCUIT IN A MULTIPLE COMPRESSOR REFRIGERATING SYSTEM.

Info

Publication number
IT8522184A0
IT8522184A0 IT8522184A IT2218485A IT8522184A0 IT 8522184 A0 IT8522184 A0 IT 8522184A0 IT 8522184 A IT8522184 A IT 8522184A IT 2218485 A IT2218485 A IT 2218485A IT 8522184 A0 IT8522184 A0 IT 8522184A0
Authority
IT
Italy
Prior art keywords
adjusting
refrigerating
working pressure
multiple compressor
circuit
Prior art date
Application number
IT8522184A
Other languages
Italian (it)
Other versions
IT1185938B (en
Inventor
Andrea Verondini
Daniele De Bona
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
Priority to IT8522184A priority Critical patent/IT1185938B/en
Publication of IT8522184A0 publication Critical patent/IT8522184A0/en
Priority to GB8620696A priority patent/GB2180673B/en
Priority to FR8612439A priority patent/FR2587463A1/en
Priority to BE0/217172A priority patent/BE905443A/en
Application granted granted Critical
Publication of IT1185938B publication Critical patent/IT1185938B/en

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—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
    • F25B2400/07—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)
  • Air Conditioning Control Device (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
IT8522184A 1985-09-18 1985-09-18 METHOD OF ADJUSTING THE OPERATING PRESSURE OF A REFRIGERANT CIRCUIT IN A MULTIPLE COMPRESSOR REFRIGERATOR SYSTEM IT1185938B (en)

Priority Applications (4)

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
GB8620696A GB2180673B (en) 1985-09-18 1986-08-27 Method of regulating the operating pressure of a refrigeration circuit in a refrigerating plant
FR8612439A FR2587463A1 (en) 1985-09-18 1986-09-04 METHOD FOR REGULATING THE OPERATING PRESSURE OF A REFRIGERATION CIRCUIT IN A REFRIGERATION INSTALLATION WITH MULTIPLE COMPRESSORS
BE0/217172A BE905443A (en) 1985-09-18 1986-09-17 METHOD FOR REGULATING THE OPERATING PRESSURE OF A REFRIGERATION CIRCUIT IN A REFRIGERATION INSTALLATION WITH MULTIPLE COMPRESSORS.

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 (2)

Publication Number Publication Date
IT8522184A0 true IT8522184A0 (en) 1985-09-18
IT1185938B IT1185938B (en) 1987-11-18

Family

ID=11192738

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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
CN101142455B (en) 2005-03-18 2010-12-08 丹佛斯公司 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
GB8620696D0 (en) 1986-10-08
BE905443A (en) 1987-01-16
GB2180673B (en) 1989-08-23
FR2587463A1 (en) 1987-03-20
GB2180673A (en) 1987-04-01

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