JPH0147642B2 - - Google Patents

Info

Publication number
JPH0147642B2
JPH0147642B2 JP56150743A JP15074381A JPH0147642B2 JP H0147642 B2 JPH0147642 B2 JP H0147642B2 JP 56150743 A JP56150743 A JP 56150743A JP 15074381 A JP15074381 A JP 15074381A JP H0147642 B2 JPH0147642 B2 JP H0147642B2
Authority
JP
Japan
Prior art keywords
relief valve
pressure
pilot
pressure side
connecting pipe
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.)
Expired
Application number
JP56150743A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5854202A (ja
Inventor
Kunihiko Yoshida
Yoshizumi Nishimura
Kenichi Koshi
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 Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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 Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP15074381A priority Critical patent/JPS5854202A/ja
Publication of JPS5854202A publication Critical patent/JPS5854202A/ja
Publication of JPH0147642B2 publication Critical patent/JPH0147642B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
JP15074381A 1981-09-25 1981-09-25 油圧回路 Granted JPS5854202A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15074381A JPS5854202A (ja) 1981-09-25 1981-09-25 油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15074381A JPS5854202A (ja) 1981-09-25 1981-09-25 油圧回路

Publications (2)

Publication Number Publication Date
JPS5854202A JPS5854202A (ja) 1983-03-31
JPH0147642B2 true JPH0147642B2 (en]) 1989-10-16

Family

ID=15503440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15074381A Granted JPS5854202A (ja) 1981-09-25 1981-09-25 油圧回路

Country Status (1)

Country Link
JP (1) JPS5854202A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101088754B1 (ko) * 2009-10-20 2011-12-01 볼보 컨스트럭션 이큅먼트 에이비 유압 컨트롤밸브
CN102788051B (zh) * 2012-07-27 2015-09-02 柳州柳工挖掘机有限公司 具有换油、缓冲及消滞功能的先导液压控制系统
CN102788050A (zh) * 2012-07-27 2012-11-21 柳州柳工挖掘机有限公司 换油及缓冲装置及具有该装置的先导液压控制系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5153362Y2 (en]) * 1972-05-04 1976-12-21
JPS56103359U (en]) * 1980-01-10 1981-08-13

Also Published As

Publication number Publication date
JPS5854202A (ja) 1983-03-31

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