JPS5432802A - Safety system for pump motor device - Google Patents

Safety system for pump motor device

Info

Publication number
JPS5432802A
JPS5432802A JP9857877A JP9857877A JPS5432802A JP S5432802 A JPS5432802 A JP S5432802A JP 9857877 A JP9857877 A JP 9857877A JP 9857877 A JP9857877 A JP 9857877A JP S5432802 A JPS5432802 A JP S5432802A
Authority
JP
Japan
Prior art keywords
pump motor
safety system
motor device
pressure
abnormally lowered
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
JP9857877A
Other languages
Japanese (ja)
Inventor
Masahiro Ito
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
Tokico 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 Tokico Ltd filed Critical Tokico Ltd
Priority to JP9857877A priority Critical patent/JPS5432802A/en
Publication of JPS5432802A publication Critical patent/JPS5432802A/en
Pending legal-status Critical Current

Links

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  • Details Of Reciprocating Pumps (AREA)

Abstract

PURPOSE: To fix pressure-recciving area of a piston and the elasticity of elastic parts so that a valve on the entrance side passage may be automatically opened for safety when the primary side pressure is abnormally lowered or the secondary side pressure is abnormally lowered or raised.
COPYRIGHT: (C)1979,JPO&Japio
JP9857877A 1977-08-17 1977-08-17 Safety system for pump motor device Pending JPS5432802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9857877A JPS5432802A (en) 1977-08-17 1977-08-17 Safety system for pump motor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9857877A JPS5432802A (en) 1977-08-17 1977-08-17 Safety system for pump motor device

Publications (1)

Publication Number Publication Date
JPS5432802A true JPS5432802A (en) 1979-03-10

Family

ID=14223537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9857877A Pending JPS5432802A (en) 1977-08-17 1977-08-17 Safety system for pump motor device

Country Status (1)

Country Link
JP (1) JPS5432802A (en)

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