FR2402786A1 - Appareil pour commander le fonctionnement d'un systeme d'elevation de pression de fluide - Google Patents

Appareil pour commander le fonctionnement d'un systeme d'elevation de pression de fluide

Info

Publication number
FR2402786A1
FR2402786A1 FR7825906A FR7825906A FR2402786A1 FR 2402786 A1 FR2402786 A1 FR 2402786A1 FR 7825906 A FR7825906 A FR 7825906A FR 7825906 A FR7825906 A FR 7825906A FR 2402786 A1 FR2402786 A1 FR 2402786A1
Authority
FR
France
Prior art keywords
overdrive
fluid pressure
centrifugal machine
raising system
pressure raising
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.)
Granted
Application number
FR7825906A
Other languages
English (en)
French (fr)
Other versions
FR2402786B1 (https=
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2402786A1 publication Critical patent/FR2402786A1/fr
Application granted granted Critical
Publication of FR2402786B1 publication Critical patent/FR2402786B1/fr
Granted 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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • 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
    • F04D27/0284—Conjoint control of two or more different functions

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7825906A 1977-09-09 1978-09-08 Appareil pour commander le fonctionnement d'un systeme d'elevation de pression de fluide Granted FR2402786A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10783077A JPS5442006A (en) 1977-09-09 1977-09-09 Operating control device for hydraulic machine

Publications (2)

Publication Number Publication Date
FR2402786A1 true FR2402786A1 (fr) 1979-04-06
FR2402786B1 FR2402786B1 (https=) 1983-04-29

Family

ID=14469107

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7825906A Granted FR2402786A1 (fr) 1977-09-09 1978-09-08 Appareil pour commander le fonctionnement d'un systeme d'elevation de pression de fluide

Country Status (5)

Country Link
US (1) US4295792A (https=)
JP (1) JPS5442006A (https=)
DE (1) DE2839027C2 (https=)
FR (1) FR2402786A1 (https=)
ZA (1) ZA785056B (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5565867A (en) * 1978-11-13 1980-05-17 Hitachi Ltd Closed turbo refrigerator
JPS575598A (en) * 1980-06-13 1982-01-12 Hitachi Ltd Operation controller for turborefrigerator
US4780049A (en) * 1986-06-02 1988-10-25 Palmer Lynn D Compressor
JPH01161932U (https=) * 1988-04-28 1989-11-10
US4925370A (en) * 1988-12-09 1990-05-15 Tallarita Domenic A Electric motor driven pump with an automatic transmission
US5092824A (en) * 1990-10-09 1992-03-03 Connett Donald C Pump output control system with high efficiency hydromechanical variable speed drive
WO1998029302A1 (en) * 1996-12-30 1998-07-09 Ab Volvo Penta Valve assembly and a method of operating a power transmission
US6685437B2 (en) * 2001-09-21 2004-02-03 Borgwarner, Inc. Hydraulic transmission pump assembly having a differential actuation and integrated line pressure control
US7023167B2 (en) * 2002-05-02 2006-04-04 Smith Otto J M Control arrangement for an induction motor compressor having at least three windings, a torque-augmentation circuit a starting capacitor and a resistive element
US8376906B2 (en) * 2008-12-09 2013-02-19 Borgwarner Inc. Automatic transmission for a hybrid vehicle
CN102459965B (zh) 2009-06-29 2014-11-05 博格华纳公司 用于在自动变速器控制模块中使用的液压阀
CN104350282B (zh) * 2012-04-11 2017-08-15 瓦特尔斯 一体式的往复引水器驱动装置
CN104632646A (zh) * 2014-03-12 2015-05-20 珠海格力电器股份有限公司 离心式压缩机及具有其的离心机组
US10375901B2 (en) 2014-12-09 2019-08-13 Mtd Products Inc Blower/vacuum
CN107429931B (zh) * 2015-04-07 2020-03-31 日立江森自控空调有限公司 空调机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB590100A (en) * 1941-07-21 1947-07-08 Moteurs Lab Et Control system for two-speed compressors feeding flying machine engines and the like
FR1008650A (fr) * 1948-05-05 1952-05-20 Const Aeronautiques Du Ct Soc Perfectionnements aux compresseurs centrifuges à plusieurs vitesses
GB715290A (en) * 1951-04-27 1954-09-08 Garrett Corp Supercharger control system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA525902A (en) * 1956-06-05 J. Wood Homer Supercharger control system
US823118A (en) * 1904-06-20 1906-06-12 Howard F Gurney Electrically-driven pump.
DE503618C (de) * 1928-05-27 1930-07-29 Christian Buderus Kaminschieber aus Kunststein mit Verschlussvorrichtung
US2317135A (en) * 1941-06-21 1943-04-20 Westinghouse Air Brake Co Drive mechanism
US2464538A (en) * 1946-02-27 1949-03-15 Twin Disc Clutch Co Fluid pressure operated multiple clutch
FR1022637A (fr) * 1950-07-28 1953-03-06 Perfectionnements aux compresseurs centrifuges à plusieurs vitessés
US3155040A (en) * 1962-05-15 1964-11-03 Twin Disc Clutch Co Booster pressure control for liquid systems
US3352392A (en) * 1965-07-19 1967-11-14 Twin Disc Clutch Co Clutch and transmission with dual modulating fluid controls
US3417845A (en) * 1967-04-06 1968-12-24 Twin Disc Clutch Co Actuating system for multi-ratio transmission
US3455118A (en) * 1967-12-26 1969-07-15 Trane Co Fan speed control for refrigeration system
US4006603A (en) * 1975-06-13 1977-02-08 Vapor Corporation Air conditioning system for a railway vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB590100A (en) * 1941-07-21 1947-07-08 Moteurs Lab Et Control system for two-speed compressors feeding flying machine engines and the like
FR1008650A (fr) * 1948-05-05 1952-05-20 Const Aeronautiques Du Ct Soc Perfectionnements aux compresseurs centrifuges à plusieurs vitesses
GB715290A (en) * 1951-04-27 1954-09-08 Garrett Corp Supercharger control system

Also Published As

Publication number Publication date
DE2839027A1 (de) 1979-03-29
US4295792A (en) 1981-10-20
ZA785056B (en) 1979-08-29
FR2402786B1 (https=) 1983-04-29
DE2839027C2 (de) 1981-11-26
JPS623320B2 (https=) 1987-01-24
JPS5442006A (en) 1979-04-03

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