JPS5376404A - Pumping oreration controller - Google Patents

Pumping oreration controller

Info

Publication number
JPS5376404A
JPS5376404A JP15201476A JP15201476A JPS5376404A JP S5376404 A JPS5376404 A JP S5376404A JP 15201476 A JP15201476 A JP 15201476A JP 15201476 A JP15201476 A JP 15201476A JP S5376404 A JPS5376404 A JP S5376404A
Authority
JP
Japan
Prior art keywords
pumping
controller
oreration
changeover
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
JP15201476A
Other languages
Japanese (ja)
Inventor
Norihisa Suzuki
Yoshinari Fujita
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 JP15201476A priority Critical patent/JPS5376404A/en
Publication of JPS5376404A publication Critical patent/JPS5376404A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)

Abstract

PURPOSE: To provide a pumping operation controller which enables the changeover of pumping capacity as well as that of the number of pumps.
COPYRIGHT: (C)1978,JPO&Japio
JP15201476A 1976-12-20 1976-12-20 Pumping oreration controller Pending JPS5376404A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15201476A JPS5376404A (en) 1976-12-20 1976-12-20 Pumping oreration controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15201476A JPS5376404A (en) 1976-12-20 1976-12-20 Pumping oreration controller

Publications (1)

Publication Number Publication Date
JPS5376404A true JPS5376404A (en) 1978-07-06

Family

ID=15531167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15201476A Pending JPS5376404A (en) 1976-12-20 1976-12-20 Pumping oreration controller

Country Status (1)

Country Link
JP (1) JPS5376404A (en)

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