JPS545183A - Pump number controller - Google Patents

Pump number controller

Info

Publication number
JPS545183A
JPS545183A JP6987677A JP6987677A JPS545183A JP S545183 A JPS545183 A JP S545183A JP 6987677 A JP6987677 A JP 6987677A JP 6987677 A JP6987677 A JP 6987677A JP S545183 A JPS545183 A JP S545183A
Authority
JP
Japan
Prior art keywords
number controller
pump number
pump
velocity
pumps
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.)
Pending
Application number
JP6987677A
Other languages
English (en)
Inventor
Yoshio Sekiyama
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
Priority to JP6987677A priority Critical patent/JPS545183A/ja
Publication of JPS545183A publication Critical patent/JPS545183A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Feedback Control In General (AREA)
  • Control Of Fluid Pressure (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP6987677A 1977-06-15 1977-06-15 Pump number controller Pending JPS545183A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6987677A JPS545183A (en) 1977-06-15 1977-06-15 Pump number controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6987677A JPS545183A (en) 1977-06-15 1977-06-15 Pump number controller

Publications (1)

Publication Number Publication Date
JPS545183A true JPS545183A (en) 1979-01-16

Family

ID=13415411

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6987677A Pending JPS545183A (en) 1977-06-15 1977-06-15 Pump number controller

Country Status (1)

Country Link
JP (1) JPS545183A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5596383A (en) * 1979-01-18 1980-07-22 Toshiba Corp Changer for number of operating pump
JPS57140587A (en) * 1981-02-23 1982-08-31 Fuji Electric Co Ltd Method of controlling operation of pump
JPS60128982A (ja) * 1983-12-16 1985-07-10 Hitachi Ltd ポンプ運転方法
JP2005344536A (ja) * 2004-06-01 2005-12-15 Yaskawa Electric Corp ポンプ並列運転制御装置および制御方法
JP2007172481A (ja) * 2005-12-26 2007-07-05 Fuji Electric Systems Co Ltd 操作信号の演算分配方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5596383A (en) * 1979-01-18 1980-07-22 Toshiba Corp Changer for number of operating pump
JPS57140587A (en) * 1981-02-23 1982-08-31 Fuji Electric Co Ltd Method of controlling operation of pump
JPS60128982A (ja) * 1983-12-16 1985-07-10 Hitachi Ltd ポンプ運転方法
JP2005344536A (ja) * 2004-06-01 2005-12-15 Yaskawa Electric Corp ポンプ並列運転制御装置および制御方法
JP2007172481A (ja) * 2005-12-26 2007-07-05 Fuji Electric Systems Co Ltd 操作信号の演算分配方法

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