IT1185938B - Metodo di regolazione della pressione di esercizio di un circuito frigoriferi in un impianto frigorifero a compressori multipli - Google Patents

Metodo di regolazione della pressione di esercizio di un circuito frigoriferi in un impianto frigorifero a compressori multipli

Info

Publication number
IT1185938B
IT1185938B IT8522184A IT2218485A IT1185938B IT 1185938 B IT1185938 B IT 1185938B IT 8522184 A IT8522184 A IT 8522184A IT 2218485 A IT2218485 A IT 2218485A IT 1185938 B IT1185938 B IT 1185938B
Authority
IT
Italy
Prior art keywords
adjusting
refrigerant circuit
operating pressure
refrigerator system
multiple compressor
Prior art date
Application number
IT8522184A
Other languages
English (en)
Other versions
IT8522184A0 (it
Inventor
Andrea Verondini
Bona Daniele De
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/it
Publication of IT8522184A0 publication Critical patent/IT8522184A0/it
Priority to GB8620696A priority patent/GB2180673B/en
Priority to FR8612439A priority patent/FR2587463A1/fr
Priority to BE0/217172A priority patent/BE905443A/fr
Application granted granted Critical
Publication of IT1185938B publication Critical patent/IT1185938B/it

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 Metodo di regolazione della pressione di esercizio di un circuito frigoriferi in un impianto frigorifero a compressori multipli IT1185938B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT8522184A IT1185938B (it) 1985-09-18 1985-09-18 Metodo di regolazione della pressione di esercizio di un circuito frigoriferi in un impianto frigorifero a compressori multipli
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 (fr) 1985-09-18 1986-09-04 Procede de regulation de la pression de service d'un circuit frigorifique dans une installation frigorifique a compresseurs multiples
BE0/217172A BE905443A (fr) 1985-09-18 1986-09-17 Procede de la regulation de la pression de service d'un circuit frigorifique dans une installation frigorifique a compresseurs multiples.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8522184A IT1185938B (it) 1985-09-18 1985-09-18 Metodo di regolazione della pressione di esercizio di un circuito frigoriferi in un impianto frigorifero a compressori multipli

Publications (2)

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

Family

ID=11192738

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8522184A IT1185938B (it) 1985-09-18 1985-09-18 Metodo di regolazione della pressione di esercizio di un circuito frigoriferi in un impianto frigorifero a compressori multipli

Country Status (4)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100423970B1 (ko) * 2001-11-24 2004-03-22 삼성전자주식회사 공기조화기 및 그 제어방법
US8302415B2 (en) 2005-03-18 2012-11-06 Danfoss A/S 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
GB8620696D0 (en) 1986-10-08
FR2587463A1 (fr) 1987-03-20
GB2180673B (en) 1989-08-23
BE905443A (fr) 1987-01-16
GB2180673A (en) 1987-04-01
IT8522184A0 (it) 1985-09-18

Similar Documents

Publication Publication Date Title
ES293027Y (es) Unidad hermetica de motor-compresor para un circuito de refrigeracion
FR2589560B1 (fr) Circuit de refrigeration et circuit de pompe a chaleur, et procede de degivrage
GB8504307D0 (en) Refrigerant compressor
GB8504306D0 (en) Refrigerant compressor
DE3478238D1 (en) Refrigerant compressor
BR8202456A (pt) Compressor hermetico com silenciadores para refrigeracao
BR8500994A (pt) Valvulas para compressor de refrigeracao
EP0157723A3 (en) Refrigeration unit compressor control
GB2172085B (en) Refrigerant compressor
MX161203A (es) Mejoras en compresor hermetico para refrigeracion
DE3665754D1 (en) Scroll type fluid compressor
MX162604A (es) Mejoras en compresor para sistemas de refrigeracion
GB2171467B (en) Refrigerant compressor
GB2171465B (en) Refrigerant compressor
MX162615A (es) Mejoras en compresor para sistemas de refrigeracion
GB2171466B (en) Refrigerant compressor
IT1185938B (it) Metodo di regolazione della pressione di esercizio di un circuito frigoriferi in un impianto frigorifero a compressori multipli
IT1182503B (it) Essicatore per impianti frigoriferi con compressore ermetico
DK154454C (da) Fremgangsmaade ved koeleanlaeg til koeling, taetning og smoering af en skruekompressor
AU560777B2 (en) Refrigerant compressor with lubrication pump
GB2179709B (en) Hermetic refrigeration compressor
GB2194821B (en) Refrigerant compressor
DE3666074D1 (en) Screw rotor compressor and refrigeration plant
GB2171468B (en) Refrigerant compressor
GB2164736B (en) Means for protecting compressors of refrigeration plants and heat pumps