JPS53139069A - Return oil pressure circuit of control valve for actuator - Google Patents

Return oil pressure circuit of control valve for actuator

Info

Publication number
JPS53139069A
JPS53139069A JP1297978A JP1297978A JPS53139069A JP S53139069 A JPS53139069 A JP S53139069A JP 1297978 A JP1297978 A JP 1297978A JP 1297978 A JP1297978 A JP 1297978A JP S53139069 A JPS53139069 A JP S53139069A
Authority
JP
Japan
Prior art keywords
oil pressure
control valve
pressure circuit
actuator
return oil
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.)
Granted
Application number
JP1297978A
Other languages
Japanese (ja)
Other versions
JPS5825162B2 (en
Inventor
Genichi Kitahara
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works 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 Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP1297978A priority Critical patent/JPS5825162B2/en
Publication of JPS53139069A publication Critical patent/JPS53139069A/en
Publication of JPS5825162B2 publication Critical patent/JPS5825162B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To make the return of oil pressure smooth, by mounting a return oil pressure circuit to which an oil pressure pump to an oil tank from a control valve is disposed, and by installing a by-path oil pressure circuit to which a pilot check valve is fitted, to reduce back pressure.
COPYRIGHT: (C)1978,JPO&Japio
JP1297978A 1978-02-09 1978-02-09 Return hydraulic circuit for actuator switching valve Expired JPS5825162B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1297978A JPS5825162B2 (en) 1978-02-09 1978-02-09 Return hydraulic circuit for actuator switching valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1297978A JPS5825162B2 (en) 1978-02-09 1978-02-09 Return hydraulic circuit for actuator switching valve

Publications (2)

Publication Number Publication Date
JPS53139069A true JPS53139069A (en) 1978-12-05
JPS5825162B2 JPS5825162B2 (en) 1983-05-26

Family

ID=11820326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1297978A Expired JPS5825162B2 (en) 1978-02-09 1978-02-09 Return hydraulic circuit for actuator switching valve

Country Status (1)

Country Link
JP (1) JPS5825162B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0655592A (en) * 1992-08-05 1994-03-01 Nissei Plastics Ind Co Injection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0655592A (en) * 1992-08-05 1994-03-01 Nissei Plastics Ind Co Injection device

Also Published As

Publication number Publication date
JPS5825162B2 (en) 1983-05-26

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