JPS5368408A - Pressure control valve for pump - Google Patents

Pressure control valve for pump

Info

Publication number
JPS5368408A
JPS5368408A JP14342776A JP14342776A JPS5368408A JP S5368408 A JPS5368408 A JP S5368408A JP 14342776 A JP14342776 A JP 14342776A JP 14342776 A JP14342776 A JP 14342776A JP S5368408 A JPS5368408 A JP S5368408A
Authority
JP
Japan
Prior art keywords
pump
control valve
pressure control
lower ends
valve
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
JP14342776A
Other languages
Japanese (ja)
Inventor
Kozo Tamura
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 JP14342776A priority Critical patent/JPS5368408A/en
Publication of JPS5368408A publication Critical patent/JPS5368408A/en
Pending legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE: To prevent vibration by air reservoir and misoperation by sand reservoir effectively by designing upper and lower ends of return water passage larger than contacting part of valve and valve seat and upper and lower ends of pressure receiving film.
COPYRIGHT: (C)1978,JPO&Japio
JP14342776A 1976-12-01 1976-12-01 Pressure control valve for pump Pending JPS5368408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14342776A JPS5368408A (en) 1976-12-01 1976-12-01 Pressure control valve for pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14342776A JPS5368408A (en) 1976-12-01 1976-12-01 Pressure control valve for pump

Publications (1)

Publication Number Publication Date
JPS5368408A true JPS5368408A (en) 1978-06-17

Family

ID=15338465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14342776A Pending JPS5368408A (en) 1976-12-01 1976-12-01 Pressure control valve for pump

Country Status (1)

Country Link
JP (1) JPS5368408A (en)

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