GB1486101A - Refrigeration system with capacity control - Google Patents

Refrigeration system with capacity control

Info

Publication number
GB1486101A
GB1486101A GB376/75A GB37675A GB1486101A GB 1486101 A GB1486101 A GB 1486101A GB 376/75 A GB376/75 A GB 376/75A GB 37675 A GB37675 A GB 37675A GB 1486101 A GB1486101 A GB 1486101A
Authority
GB
United Kingdom
Prior art keywords
line
compressor
unloadable
condenser
solenoid valve
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
GB376/75A
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1486101A publication Critical patent/GB1486101A/en
Expired 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Compressor (AREA)

Abstract

1486101 Refrigerating WESTINGHOUSE ELECTRIC CORP 6 Jan 1975 [18 Jan 1974] 376/75 Heading F4H [Also in Division F2] A variable capacity refrigeration system comprises at least one unloadable compressor means 14 and at least one always loaded compressor means 12 which have separate gas discharge lines 18, 16 respectively connected to separate condenser coil surfaces 24, 22, of a condenser 20 the line 18 being closable by a valve arrangement 28 in response to an unloaded condition of the compressor means 14. As particularly described the compressor means are parts in a 50% unloadable multicylinder compressor 10 of the hermetically sealed shell type connected by the lines 16, 18 to the split condenser coil 20. The valve arrangement as shown comprises a solenoid valve 28 controlled by a controller 56 which is responsive to the suction pressure in the common gas suction line 50 leading from the evaporator or load 48 to the compressor. The solenoid valve may be replaced by a pilot type valve having a movable stepped diameter piston in a corresponding stepped diameter chamber. An additional, non-unloadable log compressor 32 having its interior connected to the interior of the lead compressor 10 by a line 34 operates in tandem to supply through a valved line 36 a condenser 38 and the load 48. A relief line 52 having a solenoid valve 54 therein connects the line 36 with the common suction line 50.
GB376/75A 1974-01-18 1975-01-06 Refrigeration system with capacity control Expired GB1486101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US434756A US3885938A (en) 1974-01-18 1974-01-18 Refrigeration system with capacity control

Publications (1)

Publication Number Publication Date
GB1486101A true GB1486101A (en) 1977-09-21

Family

ID=23725550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB376/75A Expired GB1486101A (en) 1974-01-18 1975-01-06 Refrigeration system with capacity control

Country Status (4)

Country Link
US (1) US3885938A (en)
JP (1) JPS5426017B2 (en)
CA (1) CA1013160A (en)
GB (1) GB1486101A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040259A (en) * 1972-12-15 1977-08-09 Phillips Petroleum Company Recovery of natural gas liquids by partial condensation
US4058988A (en) * 1976-01-29 1977-11-22 Dunham-Bush, Inc. Heat pump system with high efficiency reversible helical screw rotary compressor
US4679411A (en) * 1978-08-16 1987-07-14 American Standard Inc. Stepped capacity constant volume building air conditioning system
US4951475A (en) * 1979-07-31 1990-08-28 Altech Controls Corp. Method and apparatus for controlling capacity of a multiple-stage cooling system
US4306420A (en) * 1979-10-25 1981-12-22 Carrier Corporation Series compressor refrigeration circuit with liquid quench and compressor by-pass
US4384462A (en) * 1980-11-20 1983-05-24 Friedrich Air Conditioning & Refrigeration Co. Multiple compressor refrigeration system and controller thereof
US4368502A (en) * 1981-05-05 1983-01-11 Barber-Colman Company Lead-lag load lockout control
US4418548A (en) * 1982-03-29 1983-12-06 Trane Cac, Inc. Variable capacity multiple compressor refrigeration system
US4474018A (en) * 1982-05-06 1984-10-02 Arthur D. Little, Inc. Heat pump system for production of domestic hot water
FR2617581B1 (en) * 1987-06-30 1989-09-29 Henriot Jean Luc REFRIGERATION SYSTEM FOR AN APPARATUS FOR FREEZING AND PRESERVING FOOD PRODUCTS
US4797132A (en) * 1987-07-07 1989-01-10 Vanvlack Edward E Gas control apparatus
US5875637A (en) * 1997-07-25 1999-03-02 York International Corporation Method and apparatus for applying dual centrifugal compressors to a refrigeration chiller unit
IT1311828B1 (en) * 1999-04-19 2002-03-19 Luciano Zanon REFRIGERATING SYSTEM WITH OPTIMIZED CONSUMPTION REFRIGERATING CYCLE
CN1761848A (en) * 2003-01-24 2006-04-19 布里斯托尔压缩机公司 System and method for stepped capacity modulation in a refrigeration system
JP4023415B2 (en) * 2003-08-06 2007-12-19 株式会社デンソー Vapor compression refrigerator
KR101073501B1 (en) * 2004-05-18 2011-10-17 삼성전자주식회사 A air conditioner for multi-step driving
JP2006064289A (en) * 2004-08-26 2006-03-09 Hoshizaki Electric Co Ltd Cooling apparatus
US7409833B2 (en) * 2005-03-10 2008-08-12 Sunpower, Inc. Dual mode compressor with automatic compression ratio adjustment for adapting to multiple operating conditions
FR2889733B1 (en) * 2005-08-12 2012-10-12 A C E Ind HEAT PUMP SYSTEM WITH TWO COMPRESSORS
US20070204649A1 (en) * 2006-03-06 2007-09-06 Sander Kaart Refrigerant circuit
JP2007263431A (en) * 2006-03-28 2007-10-11 Sanyo Electric Co Ltd Manufacturing method of transient critical refrigerating cycle apparatus
FR2932553B1 (en) * 2008-06-12 2013-08-16 Jean Luc Maire REVERSIBLE SYSTEM FOR RECOVERING CALORIFIC ENERGY BY REMOVING AND TRANSFERING CALORIES FROM ONE OR MORE MEDIA IN ANOTHER OR OTHER OTHER MEDIA.
CN102460036A (en) 2009-06-12 2012-05-16 开利公司 Refrigerant system with multiple load modes
US10378533B2 (en) 2011-12-06 2019-08-13 Bitzer Us, Inc. Control for compressor unloading system
WO2019037708A1 (en) * 2017-08-23 2019-02-28 龚炳新 Mobile easy-to-clean energy-saving refrigeration apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2755634A (en) * 1955-01-13 1956-07-24 Gen Motors Corp Two-temperature refrigerating apparatus
US3280582A (en) * 1964-05-25 1966-10-25 Standard Machine & Mfg Company Refrigeration valve and system
US3386262A (en) * 1966-10-31 1968-06-04 Trane Co Refrigeration apparatus with compressors in parallel
US3503223A (en) * 1968-07-29 1970-03-31 Lennox Ind Inc Refrigeration system having tandem compressor arrangement
US3775995A (en) * 1972-07-17 1973-12-04 Westinghouse Electric Corp Variable capacity multiple compressor refrigeration system

Also Published As

Publication number Publication date
US3885938A (en) 1975-05-27
JPS50107546A (en) 1975-08-25
JPS5426017B2 (en) 1979-09-01
AU7709175A (en) 1976-07-08
CA1013160A (en) 1977-07-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee