JPS5344903A - Pumping apparatus - Google Patents

Pumping apparatus

Info

Publication number
JPS5344903A
JPS5344903A JP11932176A JP11932176A JPS5344903A JP S5344903 A JPS5344903 A JP S5344903A JP 11932176 A JP11932176 A JP 11932176A JP 11932176 A JP11932176 A JP 11932176A JP S5344903 A JPS5344903 A JP S5344903A
Authority
JP
Japan
Prior art keywords
pump
antecedent
pumping apparatus
diminishing
stopping
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
JP11932176A
Other languages
Japanese (ja)
Inventor
Tadao Tateshita
Yasuhiro Mita
Junichi Nakayama
Koichi Sato
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 JP11932176A priority Critical patent/JPS5344903A/en
Publication of JPS5344903A publication Critical patent/JPS5344903A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Positive-Displacement Pumps (AREA)

Abstract

PURPOSE: To make possible diminishing the frequency of starting and stopping the pump simultaneously with making the pressure pump smaller by installing the pump start signal instruction and antecedent pump selection systems together with antecedent pump stoppage retardation system.
COPYRIGHT: (C)1978,JPO&Japio
JP11932176A 1976-10-06 1976-10-06 Pumping apparatus Pending JPS5344903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11932176A JPS5344903A (en) 1976-10-06 1976-10-06 Pumping apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11932176A JPS5344903A (en) 1976-10-06 1976-10-06 Pumping apparatus

Publications (1)

Publication Number Publication Date
JPS5344903A true JPS5344903A (en) 1978-04-22

Family

ID=14758553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11932176A Pending JPS5344903A (en) 1976-10-06 1976-10-06 Pumping apparatus

Country Status (1)

Country Link
JP (1) JPS5344903A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS556469U (en) * 1978-06-30 1980-01-17
JPS57191885U (en) * 1981-06-01 1982-12-04
JP2017524084A (en) * 2014-07-28 2017-08-24 ケヴィン エップＫｅｖｉｎ Ｅｐｐ System and method for effective use of low yield wells

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS556469U (en) * 1978-06-30 1980-01-17
JPS57191885U (en) * 1981-06-01 1982-12-04
JP2017524084A (en) * 2014-07-28 2017-08-24 ケヴィン エップＫｅｖｉｎ Ｅｐｐ System and method for effective use of low yield wells

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