FR2108039B1 - - Google Patents

Info

Publication number
FR2108039B1
FR2108039B1 FR7134910A FR7134910A FR2108039B1 FR 2108039 B1 FR2108039 B1 FR 2108039B1 FR 7134910 A FR7134910 A FR 7134910A FR 7134910 A FR7134910 A FR 7134910A FR 2108039 B1 FR2108039 B1 FR 2108039B1
Authority
FR
France
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
FR7134910A
Other languages
French (fr)
Other versions
FR2108039A1 (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.)
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 FR2108039A1 publication Critical patent/FR2108039A1/fr
Application granted granted Critical
Publication of FR2108039B1 publication Critical patent/FR2108039B1/fr
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
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • F04D27/0269—Surge control by changing flow path between different stages or between a plurality of compressors; load distribution between compressors
    • 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
    • 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)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Thermal Sciences (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
FR7134910A 1970-09-28 1971-09-28 Expired FR2108039B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7591470A 1970-09-28 1970-09-28

Publications (2)

Publication Number Publication Date
FR2108039A1 FR2108039A1 (de) 1972-05-12
FR2108039B1 true FR2108039B1 (de) 1977-01-21

Family

ID=22128726

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7134910A Expired FR2108039B1 (de) 1970-09-28 1971-09-28

Country Status (8)

Country Link
US (1) US3648479A (de)
AU (1) AU465521B2 (de)
CA (1) CA923212A (de)
DE (1) DE2147394C2 (de)
ES (1) ES395343A1 (de)
FR (1) FR2108039B1 (de)
GB (1) GB1328628A (de)
IT (1) IT938839B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205537A (en) * 1978-12-11 1980-06-03 General Electric Company Multiple hermetic-motor compressor in common shell
JPS58193055A (ja) * 1982-05-04 1983-11-10 株式会社東芝 ヒ−トポンプ形エアコン
GB2159980B (en) * 1982-09-10 1987-10-07 Frick Co Micro-processor control of compression ratio at full load in a helical screw rotary compressor responsive to compressor drive motor current
US4494006A (en) * 1982-09-15 1985-01-15 Compressor Controls Corporation Method and apparatus for controlling a multicompressor station
US4560319A (en) * 1983-08-01 1985-12-24 MAN Maschinenfabrik Unternehmensbereich GHH Sterkrade Method and apparatus for controlling at least two parallel-connected turbocompressors
US4494382A (en) * 1983-10-11 1985-01-22 Carrier Corporation Method and apparatus for controlling when to initiate an increase in compressor capacity
GB2170583B (en) * 1985-01-31 1989-06-07 Yanmar Diesel Engine Co An engine-driven heat pump type air conditioner with an outdoor unit
DE3937152A1 (de) * 1989-11-08 1991-05-16 Gutehoffnungshuette Man Verfahren zum optimierten betreiben zweier oder mehrerer kompressoren im parallel- oder reihenbetrieb
JPH055545A (ja) * 1991-04-26 1993-01-14 Toshiba Corp 空調システムの電流制御装置
US5195329A (en) * 1991-11-12 1993-03-23 Carrier Corporation Automatic chiller plant balancing
US5894739A (en) * 1997-07-10 1999-04-20 York International Corporation Compound refrigeration system for water chilling and thermal storage
US6602057B2 (en) 2001-10-01 2003-08-05 Dresser-Rand Company Management and optimization of load sharing between multiple compressor trains for controlling a main process gas variable
KR100437054B1 (ko) * 2002-05-27 2004-06-23 엘지전자 주식회사 히트펌프의 과부하 방지장치 및 그 방법
CA2492465C (en) 2002-08-06 2008-09-30 York International Corporation Stability control system and method for centrifugal compressors operating in parallel
US8567207B2 (en) * 2007-10-31 2013-10-29 Johnson Controls & Technology Company Compressor control system using a variable geometry diffuser
WO2015190525A1 (ja) * 2014-06-10 2015-12-17 東芝キヤリア株式会社 熱源機および熱源装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2336671A (en) * 1933-11-29 1943-12-14 Gen Motors Corp Refrigerating apparatus
US2178100A (en) * 1937-05-13 1939-10-31 Curtis Refrigerating Machine C Refrigerating condensing unit
DE972394C (de) * 1954-01-09 1959-07-16 Siemens Ag Einrichtung zur Drehmomentregelung von Doppelantrieben, insbesondere fuer Doppelantriebe von Walzgeruesten
DE1117710B (de) * 1954-05-24 1961-11-23 Siemens Ag Lastausgleichsregelung von Mehrmotorenantrieben mit Nebenschlussmotoren
US3350897A (en) * 1966-01-11 1967-11-07 Westinghouse Electric Corp Controls for centrifugal compressors having spin vanes in their inlets
US3362185A (en) * 1966-06-20 1968-01-09 Westinghouse Electric Corp Refrigeration systems with centrifugal compressors and air cooled condensers
US3609989A (en) * 1970-04-15 1971-10-05 Westinghouse Electric Corp Control for refrigeration system centrifugal compressor

Also Published As

Publication number Publication date
US3648479A (en) 1972-03-14
AU3289371A (en) 1973-03-08
IT938839B (it) 1973-02-10
DE2147394C2 (de) 1984-04-05
ES395343A1 (es) 1974-12-16
DE2147394A1 (de) 1972-03-30
AU465521B2 (en) 1975-10-02
GB1328628A (en) 1973-08-30
CA923212A (en) 1973-03-20
FR2108039A1 (de) 1972-05-12

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Legal Events

Date Code Title Description
TP Transmission of property
CD Change of name or company name
ST Notification of lapse