JPH0247252U - - Google Patents

Info

Publication number
JPH0247252U
JPH0247252U JP12470088U JP12470088U JPH0247252U JP H0247252 U JPH0247252 U JP H0247252U JP 12470088 U JP12470088 U JP 12470088U JP 12470088 U JP12470088 U JP 12470088U JP H0247252 U JPH0247252 U JP H0247252U
Authority
JP
Japan
Prior art keywords
arm
valve
meter
circuit
bottom side
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
JP12470088U
Other languages
English (en)
Japanese (ja)
Other versions
JPH082189Y2 (ja
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 filed Critical
Priority to JP1988124700U priority Critical patent/JPH082189Y2/ja
Publication of JPH0247252U publication Critical patent/JPH0247252U/ja
Application granted granted Critical
Publication of JPH082189Y2 publication Critical patent/JPH082189Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP1988124700U 1988-09-26 1988-09-26 アーム操作回路装置 Expired - Lifetime JPH082189Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988124700U JPH082189Y2 (ja) 1988-09-26 1988-09-26 アーム操作回路装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988124700U JPH082189Y2 (ja) 1988-09-26 1988-09-26 アーム操作回路装置

Publications (2)

Publication Number Publication Date
JPH0247252U true JPH0247252U (cs) 1990-03-30
JPH082189Y2 JPH082189Y2 (ja) 1996-01-24

Family

ID=31374663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988124700U Expired - Lifetime JPH082189Y2 (ja) 1988-09-26 1988-09-26 アーム操作回路装置

Country Status (1)

Country Link
JP (1) JPH082189Y2 (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994013959A1 (en) * 1992-12-04 1994-06-23 Hitachi Construction Machinery Co., Ltd. Hydraulic regenerator
JP2008045732A (ja) * 2006-07-21 2008-02-28 Shin Caterpillar Mitsubishi Ltd 作業機械のポンプ制御方法
JP2012047307A (ja) * 2010-08-30 2012-03-08 Kyb Co Ltd 切換弁
WO2015064026A1 (ja) * 2013-10-31 2015-05-07 川崎重工業株式会社 油圧ショベル駆動システム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58204234A (ja) * 1982-05-21 1983-11-28 Hitachi Constr Mach Co Ltd 油圧式掘削機の油圧回路
JPS59194103A (ja) * 1983-04-18 1984-11-02 Hitachi Constr Mach Co Ltd 油圧シリンダの駆動装置
JPS60179504A (ja) * 1984-02-28 1985-09-13 Mitsubishi Heavy Ind Ltd エネルギ再生回路
JPS622805U (cs) * 1985-06-20 1987-01-09
JPS63195402A (ja) * 1987-02-06 1988-08-12 Komatsu Ltd 油圧制御装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58204234A (ja) * 1982-05-21 1983-11-28 Hitachi Constr Mach Co Ltd 油圧式掘削機の油圧回路
JPS59194103A (ja) * 1983-04-18 1984-11-02 Hitachi Constr Mach Co Ltd 油圧シリンダの駆動装置
JPS60179504A (ja) * 1984-02-28 1985-09-13 Mitsubishi Heavy Ind Ltd エネルギ再生回路
JPS622805U (cs) * 1985-06-20 1987-01-09
JPS63195402A (ja) * 1987-02-06 1988-08-12 Komatsu Ltd 油圧制御装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994013959A1 (en) * 1992-12-04 1994-06-23 Hitachi Construction Machinery Co., Ltd. Hydraulic regenerator
JP3139769B2 (ja) * 1992-12-04 2001-03-05 日立建機株式会社 油圧再生装置
JP2008045732A (ja) * 2006-07-21 2008-02-28 Shin Caterpillar Mitsubishi Ltd 作業機械のポンプ制御方法
US8191364B2 (en) 2006-07-21 2012-06-05 Caterpillar S.A.R.L. Method for controlling pump of working machine
JP2012047307A (ja) * 2010-08-30 2012-03-08 Kyb Co Ltd 切換弁
WO2015064026A1 (ja) * 2013-10-31 2015-05-07 川崎重工業株式会社 油圧ショベル駆動システム
JP2015086958A (ja) * 2013-10-31 2015-05-07 川崎重工業株式会社 油圧ショベル駆動システム

Also Published As

Publication number Publication date
JPH082189Y2 (ja) 1996-01-24

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