JPS4958444A - - Google Patents

Info

Publication number
JPS4958444A
JPS4958444A JP48080027A JP8002773A JPS4958444A JP S4958444 A JPS4958444 A JP S4958444A JP 48080027 A JP48080027 A JP 48080027A JP 8002773 A JP8002773 A JP 8002773A JP S4958444 A JPS4958444 A JP S4958444A
Authority
JP
Japan
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.)
Granted
Application number
JP48080027A
Other languages
Japanese (ja)
Other versions
JPS5420020B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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 filed Critical
Publication of JPS4958444A publication Critical patent/JPS4958444A/ja
Publication of JPS5420020B2 publication Critical patent/JPS5420020B2/ja
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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
    • 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
    • F25B31/00—Compressor 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
    • 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
    • F25B2400/0751—Details of compressors or related parts with parallel compressors the compressors having different capacities
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP8002773A 1972-07-17 1973-07-17 Expired JPS5420020B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27270472A 1972-07-17 1972-07-17

Publications (2)

Publication Number Publication Date
JPS4958444A true JPS4958444A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-06-06
JPS5420020B2 JPS5420020B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-07-19

Family

ID=23040923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8002773A Expired JPS5420020B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-07-17 1973-07-17

Country Status (10)

Country Link
US (2) US3775995A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5420020B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU475453B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE802373A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA990518A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2336369A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES416944A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2193184B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1429050A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT997377B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5032550A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-07-25 1975-03-29

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3885938A (en) * 1974-01-18 1975-05-27 Westinghouse Electric Corp Refrigeration system with capacity control
AT335671B (de) * 1974-12-20 1977-03-25 Interliz Anstalt Regeleinrichtung fur eine warmepumpe
US4191027A (en) * 1976-07-29 1980-03-04 Kabushiki Kaisah Maekawa Seisakusho Apparatus for cooling brine
US4105374A (en) * 1977-03-28 1978-08-08 Copeland Corporation Integrated multi-unit refrigeration motor-compressor assembly
US4205537A (en) * 1978-12-11 1980-06-03 General Electric Company Multiple hermetic-motor compressor in common shell
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
JPS57131883A (en) * 1981-02-06 1982-08-14 Mitsubishi Electric Corp Parallel compression type refrigerator
US4418548A (en) * 1982-03-29 1983-12-06 Trane Cac, Inc. Variable capacity multiple compressor refrigeration system
AU561404B2 (en) * 1983-03-08 1987-05-07 Sanden Corporation Variable capacity compressor
US4787211A (en) * 1984-07-30 1988-11-29 Copeland Corporation Refrigeration system
US4748820A (en) 1984-01-11 1988-06-07 Copeland Corporation Refrigeration system
US4594858A (en) 1984-01-11 1986-06-17 Copeland Corporation Highly efficient flexible two-stage refrigeration system
FR2617581B1 (fr) * 1987-06-30 1989-09-29 Henriot Jean Luc Installation frigorifique pour un appareil de surgelation et de conservation de produits alimentaires
JPH01193089A (ja) * 1988-01-29 1989-08-03 Toshiba Corp ロータリコンプレッサー
US5927088A (en) * 1996-02-27 1999-07-27 Shaw; David N. Boosted air source heat pump
US5839886A (en) * 1996-05-10 1998-11-24 Shaw; David N. Series connected primary and booster compressors
US5967761A (en) * 1997-07-15 1999-10-19 Ingersoll-Rand Company Method for modulation lag compressor in multiple compressor system
US6206652B1 (en) 1998-08-25 2001-03-27 Copeland Corporation Compressor capacity modulation
US6276148B1 (en) 2000-02-16 2001-08-21 David N. Shaw Boosted air source heat pump
JP4520608B2 (ja) * 2000-09-20 2010-08-11 株式会社日立プラントテクノロジー スクリュー圧縮装置
US6769265B1 (en) 2003-03-12 2004-08-03 Maytag Corporation Variable speed refrigeration system
US7490480B2 (en) * 2003-03-14 2009-02-17 Maytag Corporation Variable speed refrigeration system
US6931871B2 (en) * 2003-08-27 2005-08-23 Shaw Engineering Associates, Llc Boosted air source heat pump
KR101116208B1 (ko) * 2004-05-17 2012-03-06 삼성전자주식회사 압축기의 제어 장치 및 방법
US20060073026A1 (en) * 2004-10-06 2006-04-06 Shaw David N Oil balance system and method for compressors connected in series
US7320720B2 (en) * 2005-10-17 2008-01-22 Kirk Ticknor Interlocking filtration device
US20070187086A1 (en) * 2006-02-14 2007-08-16 Anatoly Nikolayevich Ivanov Device for cutting slot-shaped seats in wells by hydro-sandblasting method
US20080173034A1 (en) * 2007-01-19 2008-07-24 Hallowell International, Llc Heat pump apparatus and method
US8157538B2 (en) 2007-07-23 2012-04-17 Emerson Climate Technologies, Inc. Capacity modulation system for compressor and method
US8192171B2 (en) * 2009-01-15 2012-06-05 Ingersoll-Rand Company Compressor system
EP2391826B1 (en) 2009-01-27 2017-03-15 Emerson Climate Technologies, Inc. Unloader system and method for a compressor
US8011191B2 (en) 2009-09-30 2011-09-06 Thermo Fisher Scientific (Asheville) Llc Refrigeration system having a variable speed compressor
US8011201B2 (en) * 2009-09-30 2011-09-06 Thermo Fisher Scientific (Asheville) Llc Refrigeration system mounted within a deck
US10378533B2 (en) 2011-12-06 2019-08-13 Bitzer Us, Inc. Control for compressor unloading system
US8925346B2 (en) 2012-02-07 2015-01-06 Thermo Fisher Scientific (Asheville) Llc High performance freezer having cylindrical cabinet
US10024591B2 (en) * 2014-05-15 2018-07-17 Lennox Industries Inc. Sensor failure error handling
ES2899387T3 (es) 2017-04-06 2022-03-11 Carrier Corp Un método para reducir la corriente de entrada máxima de un sistema de compresores que comprende múltiples motores eléctricos asíncronos y un sistema de compresores para implementar este método
CN113669965A (zh) * 2020-04-30 2021-11-19 特灵空调系统(中国)有限公司 并联压缩机中的ocr控制的系统和方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126713A (en) * 1964-03-31 Apparatus and method for preventing refrigerant condensing
US2253623A (en) * 1937-05-18 1941-08-26 Westinghouse Electric & Mfg Co Refrigerating apparatus
GB705999A (en) * 1951-11-02 1954-03-24 Gen Electric Improvements in and relating to compressors for refrigerators
US2865610A (en) * 1955-11-22 1958-12-23 Honeywell Regulator Co Control apparatus
US3022642A (en) * 1960-10-07 1962-02-27 Vilter Manufacturing Corp Refrigeration compressor control system
US3495418A (en) * 1968-04-18 1970-02-17 Garrett Corp Refrigeration system with compressor unloading means
US3503223A (en) * 1968-07-29 1970-03-31 Lennox Ind Inc Refrigeration system having tandem compressor arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5032550A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-07-25 1975-03-29

Also Published As

Publication number Publication date
JPS5420020B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-07-19
GB1429050A (en) 1976-03-24
AU5703873A (en) 1974-12-19
FR2193184A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-02-15
BE802373A (fr) 1974-01-16
ES416944A1 (es) 1976-03-16
USRE29621E (en) 1978-05-02
CA990518A (en) 1976-06-08
IT997377B (it) 1975-12-30
US3775995A (en) 1973-12-04
AU475453B2 (en) 1976-08-26
FR2193184B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-02-18
DE2336369A1 (de) 1974-02-07

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