JPS53122120A - Pump automatic operation device - Google Patents

Pump automatic operation device

Info

Publication number
JPS53122120A
JPS53122120A JP3532677A JP3532677A JPS53122120A JP S53122120 A JPS53122120 A JP S53122120A JP 3532677 A JP3532677 A JP 3532677A JP 3532677 A JP3532677 A JP 3532677A JP S53122120 A JPS53122120 A JP S53122120A
Authority
JP
Japan
Prior art keywords
operation device
automatic operation
pump automatic
pump
pressure
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
JP3532677A
Other languages
Japanese (ja)
Inventor
Shigetomo Yoshihara
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 JP3532677A priority Critical patent/JPS53122120A/en
Publication of JPS53122120A publication Critical patent/JPS53122120A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To easily make the start pressure of the device adjustable and improve handling by sensing the differential pressure of different two locations generated due to water running, stopping a pump by flow rate and operating it by discharge pressure.
COPYRIGHT: (C)1978,JPO&Japio
JP3532677A 1977-03-31 1977-03-31 Pump automatic operation device Pending JPS53122120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3532677A JPS53122120A (en) 1977-03-31 1977-03-31 Pump automatic operation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3532677A JPS53122120A (en) 1977-03-31 1977-03-31 Pump automatic operation device

Publications (1)

Publication Number Publication Date
JPS53122120A true JPS53122120A (en) 1978-10-25

Family

ID=12438686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3532677A Pending JPS53122120A (en) 1977-03-31 1977-03-31 Pump automatic operation device

Country Status (1)

Country Link
JP (1) JPS53122120A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6070794U (en) * 1983-10-20 1985-05-18 三洋電機株式会社 automatic pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6070794U (en) * 1983-10-20 1985-05-18 三洋電機株式会社 automatic pump

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