JPS538806A - Auto-drive way of automatic underwater motor pump - Google Patents

Auto-drive way of automatic underwater motor pump

Info

Publication number
JPS538806A
JPS538806A JP8253776A JP8253776A JPS538806A JP S538806 A JPS538806 A JP S538806A JP 8253776 A JP8253776 A JP 8253776A JP 8253776 A JP8253776 A JP 8253776A JP S538806 A JPS538806 A JP S538806A
Authority
JP
Japan
Prior art keywords
auto
motor pump
underwater motor
drive way
automatic underwater
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
JP8253776A
Other languages
Japanese (ja)
Inventor
Tomohiko Taki
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 JP8253776A priority Critical patent/JPS538806A/en
Publication of JPS538806A publication Critical patent/JPS538806A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To keep constant operation of an underwater pump at total head against variation of water level of a well by independent applying the pressure surplus at cut-off of an underwater pump to a pressure switch via a pressure reducing valve.
COPYRIGHT: (C)1978,JPO&Japio
JP8253776A 1976-07-13 1976-07-13 Auto-drive way of automatic underwater motor pump Pending JPS538806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8253776A JPS538806A (en) 1976-07-13 1976-07-13 Auto-drive way of automatic underwater motor pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8253776A JPS538806A (en) 1976-07-13 1976-07-13 Auto-drive way of automatic underwater motor pump

Publications (1)

Publication Number Publication Date
JPS538806A true JPS538806A (en) 1978-01-26

Family

ID=13777247

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8253776A Pending JPS538806A (en) 1976-07-13 1976-07-13 Auto-drive way of automatic underwater motor pump

Country Status (1)

Country Link
JP (1) JPS538806A (en)

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