JPH0555662B2 - - Google Patents

Info

Publication number
JPH0555662B2
JPH0555662B2 JP1298786A JP1298786A JPH0555662B2 JP H0555662 B2 JPH0555662 B2 JP H0555662B2 JP 1298786 A JP1298786 A JP 1298786A JP 1298786 A JP1298786 A JP 1298786A JP H0555662 B2 JPH0555662 B2 JP H0555662B2
Authority
JP
Japan
Prior art keywords
actuator
switching valve
valve
actuators
directional
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 - Lifetime
Application number
JP1298786A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62174423A (ja
Inventor
Yukio Aoyanagi
Shuichi Ichama
Keiichiro Uno
Tomohiko Yasuda
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 JP61012987A priority Critical patent/JPS62174423A/ja
Priority to EP87100934A priority patent/EP0235545B1/en
Priority to DE8787100934T priority patent/DE3764824D1/de
Priority to KR1019870000570A priority patent/KR910009256B1/ko
Priority to CN87100435A priority patent/CN1009480B/zh
Priority to US07/006,381 priority patent/US4768339A/en
Priority to IN80/CAL/87A priority patent/IN165827B/en
Publication of JPS62174423A publication Critical patent/JPS62174423A/ja
Publication of JPH0555662B2 publication Critical patent/JPH0555662B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
JP61012987A 1986-01-25 1986-01-25 土木建設機械の油圧駆動装置 Granted JPS62174423A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP61012987A JPS62174423A (ja) 1986-01-25 1986-01-25 土木建設機械の油圧駆動装置
EP87100934A EP0235545B1 (en) 1986-01-25 1987-01-23 Hydraulic drive system
DE8787100934T DE3764824D1 (de) 1986-01-25 1987-01-23 Hydraulisches antriebssystem.
KR1019870000570A KR910009256B1 (ko) 1986-01-25 1987-01-24 토목건설기계의 유압구동장치
CN87100435A CN1009480B (zh) 1986-01-25 1987-01-24 工程机械的液压传动装置
US07/006,381 US4768339A (en) 1986-01-25 1987-01-26 Hydraulic drive system
IN80/CAL/87A IN165827B (en]) 1986-01-25 1987-01-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61012987A JPS62174423A (ja) 1986-01-25 1986-01-25 土木建設機械の油圧駆動装置

Publications (2)

Publication Number Publication Date
JPS62174423A JPS62174423A (ja) 1987-07-31
JPH0555662B2 true JPH0555662B2 (en]) 1993-08-17

Family

ID=11820555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61012987A Granted JPS62174423A (ja) 1986-01-25 1986-01-25 土木建設機械の油圧駆動装置

Country Status (1)

Country Link
JP (1) JPS62174423A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4942794B2 (ja) 2009-07-02 2012-05-30 株式会社 Ufcサプライ 歯間ブラシおよびその製造方法
KR102142679B1 (ko) * 2016-02-04 2020-08-07 현대건설기계 주식회사 작업기계의 작동유 제어 시스템

Also Published As

Publication number Publication date
JPS62174423A (ja) 1987-07-31

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