JPH0316523B2 - - Google Patents

Info

Publication number
JPH0316523B2
JPH0316523B2 JP58088362A JP8836283A JPH0316523B2 JP H0316523 B2 JPH0316523 B2 JP H0316523B2 JP 58088362 A JP58088362 A JP 58088362A JP 8836283 A JP8836283 A JP 8836283A JP H0316523 B2 JPH0316523 B2 JP H0316523B2
Authority
JP
Japan
Prior art keywords
opening
closing part
pipe line
switching valve
hydraulic pump
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
JP58088362A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59217001A (ja
Inventor
Hideaki Tanaka
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 JP8836283A priority Critical patent/JPS59217001A/ja
Publication of JPS59217001A publication Critical patent/JPS59217001A/ja
Publication of JPH0316523B2 publication Critical patent/JPH0316523B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP8836283A 1983-05-21 1983-05-21 慣性質量駆動用油圧回路 Granted JPS59217001A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8836283A JPS59217001A (ja) 1983-05-21 1983-05-21 慣性質量駆動用油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8836283A JPS59217001A (ja) 1983-05-21 1983-05-21 慣性質量駆動用油圧回路

Publications (2)

Publication Number Publication Date
JPS59217001A JPS59217001A (ja) 1984-12-07
JPH0316523B2 true JPH0316523B2 (enrdf_load_stackoverflow) 1991-03-05

Family

ID=13940694

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8836283A Granted JPS59217001A (ja) 1983-05-21 1983-05-21 慣性質量駆動用油圧回路

Country Status (1)

Country Link
JP (1) JPS59217001A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2860560B1 (fr) * 2003-10-03 2008-02-22 Poclain Hydraulics Ind Circuit hydraulique ouvert comprenant un dispositif de valve de delestage
JP5574375B2 (ja) 2010-06-30 2014-08-20 キャタピラー エス エー アール エル エネルギ回生用制御回路および作業機械
KR101861856B1 (ko) 2012-01-27 2018-05-28 두산인프라코어 주식회사 건설기계의 스윙 모터 유압제어장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58138837A (ja) * 1982-02-10 1983-08-17 Kobe Steel Ltd 油圧シヨベル等の旋回制御方法

Also Published As

Publication number Publication date
JPS59217001A (ja) 1984-12-07

Similar Documents

Publication Publication Date Title
EP0059406A1 (en) Flushing valve system in closed circuit hydrostatic power transmission
EP0068197B1 (en) Locking apparatus of inertial mass drive hydraulic circuit system
WO1990012973A1 (en) Counterbalance valve
JP3549124B2 (ja) カウンタバランス弁
JPH0437886B2 (enrdf_load_stackoverflow)
WO1996018824A1 (fr) Dispositif de frein hydraulique
US4382360A (en) Unloading arrangement for hydraulic swing circuit or the like
JPH0316523B2 (enrdf_load_stackoverflow)
JPH0258481B2 (enrdf_load_stackoverflow)
JP4325851B2 (ja) Ｈｓｔ走行駆動装置
JPH02494B2 (enrdf_load_stackoverflow)
JPS6314230B2 (enrdf_load_stackoverflow)
JPH0210322Y2 (enrdf_load_stackoverflow)
JPH0147642B2 (enrdf_load_stackoverflow)
JP2577874Y2 (ja) アンロードリリーフ弁
JP2882998B2 (ja) 油圧モータの駆動回路
JP3769369B2 (ja) 油圧制御回路
JP3220263B2 (ja) 反転防止弁
JPS649481B2 (enrdf_load_stackoverflow)
JPS6246882Y2 (enrdf_load_stackoverflow)
JP2929451B2 (ja) 油圧駆動装置
GB2123527A (en) Jointly controlled brake valve
JP3073036B2 (ja) 作業車両の走行油圧回路
JPS6339441Y2 (enrdf_load_stackoverflow)
JPH0337642B2 (enrdf_load_stackoverflow)