JPS57140587A - Method of controlling operation of pump - Google Patents

Method of controlling operation of pump

Info

Publication number
JPS57140587A
JPS57140587A JP2581081A JP2581081A JPS57140587A JP S57140587 A JPS57140587 A JP S57140587A JP 2581081 A JP2581081 A JP 2581081A JP 2581081 A JP2581081 A JP 2581081A JP S57140587 A JPS57140587 A JP S57140587A
Authority
JP
Japan
Prior art keywords
speed
pump
flow rate
motor
variable
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
JP2581081A
Other languages
English (en)
Japanese (ja)
Other versions
JPH031513B2 (enrdf_load_stackoverflow
Inventor
Atsushi Okubo
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Fuji Electric Manufacturing Co 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 Fuji Electric Co Ltd, Fuji Electric Manufacturing Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP2581081A priority Critical patent/JPS57140587A/ja
Publication of JPS57140587A publication Critical patent/JPS57140587A/ja
Publication of JPH031513B2 publication Critical patent/JPH031513B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F04B49/20—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 by changing the driving speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP2581081A 1981-02-23 1981-02-23 Method of controlling operation of pump Granted JPS57140587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2581081A JPS57140587A (en) 1981-02-23 1981-02-23 Method of controlling operation of pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2581081A JPS57140587A (en) 1981-02-23 1981-02-23 Method of controlling operation of pump

Publications (2)

Publication Number Publication Date
JPS57140587A true JPS57140587A (en) 1982-08-31
JPH031513B2 JPH031513B2 (enrdf_load_stackoverflow) 1991-01-10

Family

ID=12176221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2581081A Granted JPS57140587A (en) 1981-02-23 1981-02-23 Method of controlling operation of pump

Country Status (1)

Country Link
JP (1) JPS57140587A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943212A (en) * 1987-11-27 1990-07-24 Mannesman Rexroth Gmbh Means for feeding fluid into a pressure conduit
WO2014073048A1 (ja) * 2012-11-07 2014-05-15 ボルボ ラストバグナー アクチエボラグ パワーステアリング装置及びその作動油供給方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5262701A (en) * 1975-11-20 1977-05-24 Yaskawa Electric Mfg Co Ltd Operation for plural units of pumps
JPS545183A (en) * 1977-06-15 1979-01-16 Hitachi Ltd Pump number controller
JPS55136930A (en) * 1979-04-13 1980-10-25 Akashi Seisakusho Co Ltd Hydraulic vibration testing apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5262701A (en) * 1975-11-20 1977-05-24 Yaskawa Electric Mfg Co Ltd Operation for plural units of pumps
JPS545183A (en) * 1977-06-15 1979-01-16 Hitachi Ltd Pump number controller
JPS55136930A (en) * 1979-04-13 1980-10-25 Akashi Seisakusho Co Ltd Hydraulic vibration testing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943212A (en) * 1987-11-27 1990-07-24 Mannesman Rexroth Gmbh Means for feeding fluid into a pressure conduit
WO2014073048A1 (ja) * 2012-11-07 2014-05-15 ボルボ ラストバグナー アクチエボラグ パワーステアリング装置及びその作動油供給方法

Also Published As

Publication number Publication date
JPH031513B2 (enrdf_load_stackoverflow) 1991-01-10

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