JPS5847283Y2 - 油圧駆動作業機のモ−タ回路 - Google Patents

油圧駆動作業機のモ−タ回路

Info

Publication number
JPS5847283Y2
JPS5847283Y2 JP352280U JP352280U JPS5847283Y2 JP S5847283 Y2 JPS5847283 Y2 JP S5847283Y2 JP 352280 U JP352280 U JP 352280U JP 352280 U JP352280 U JP 352280U JP S5847283 Y2 JPS5847283 Y2 JP S5847283Y2
Authority
JP
Japan
Prior art keywords
circuit
valve
motor
pressure
accumulator
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
JP352280U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56106205U (enExample
Inventor
喜美男 熊谷
武 山口
健次郎 神谷
壮太郎 田中
昌充 標
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 JP352280U priority Critical patent/JPS5847283Y2/ja
Publication of JPS56106205U publication Critical patent/JPS56106205U/ja
Application granted granted Critical
Publication of JPS5847283Y2 publication Critical patent/JPS5847283Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP352280U 1980-01-18 1980-01-18 油圧駆動作業機のモ−タ回路 Expired JPS5847283Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP352280U JPS5847283Y2 (ja) 1980-01-18 1980-01-18 油圧駆動作業機のモ−タ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP352280U JPS5847283Y2 (ja) 1980-01-18 1980-01-18 油圧駆動作業機のモ−タ回路

Publications (2)

Publication Number Publication Date
JPS56106205U JPS56106205U (enExample) 1981-08-18
JPS5847283Y2 true JPS5847283Y2 (ja) 1983-10-28

Family

ID=29600286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP352280U Expired JPS5847283Y2 (ja) 1980-01-18 1980-01-18 油圧駆動作業機のモ−タ回路

Country Status (1)

Country Link
JP (1) JPS5847283Y2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991008395A1 (en) * 1989-12-04 1991-06-13 Hitachi Construction Machinery Co., Ltd. Hydraulic motor driving circuit device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2634408B2 (ja) * 1987-03-30 1997-07-23 帝人製機株式会社 ２速油圧モータの制御装置
GB2490320A (en) * 2011-04-20 2012-10-31 Bamford Excavators Ltd Hydraulic circuit with back-up pressure system to prevent cavitation
JP5997072B2 (ja) * 2013-02-15 2016-09-21 日立建機株式会社 油圧駆動装置
JP5991950B2 (ja) * 2013-07-08 2016-09-14 日立建機株式会社 建設機械の油圧回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991008395A1 (en) * 1989-12-04 1991-06-13 Hitachi Construction Machinery Co., Ltd. Hydraulic motor driving circuit device

Also Published As

Publication number Publication date
JPS56106205U (enExample) 1981-08-18

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