JPH01124859U - - Google Patents

Info

Publication number
JPH01124859U
JPH01124859U JP2085688U JP2085688U JPH01124859U JP H01124859 U JPH01124859 U JP H01124859U JP 2085688 U JP2085688 U JP 2085688U JP 2085688 U JP2085688 U JP 2085688U JP H01124859 U JPH01124859 U JP H01124859U
Authority
JP
Japan
Prior art keywords
hydraulic
switching valve
signal
pressure oil
main 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.)
Granted
Application number
JP2085688U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0649644Y2 (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 JP1988020856U priority Critical patent/JPH0649644Y2/ja
Publication of JPH01124859U publication Critical patent/JPH01124859U/ja
Application granted granted Critical
Publication of JPH0649644Y2 publication Critical patent/JPH0649644Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Forklifts And Lifting Vehicles (AREA)
JP1988020856U 1988-02-18 1988-02-18 クローラ式油圧ショベルの油圧回路 Expired - Lifetime JPH0649644Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988020856U JPH0649644Y2 (ja) 1988-02-18 1988-02-18 クローラ式油圧ショベルの油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988020856U JPH0649644Y2 (ja) 1988-02-18 1988-02-18 クローラ式油圧ショベルの油圧回路

Publications (2)

Publication Number Publication Date
JPH01124859U true JPH01124859U (US07923587-20110412-C00001.png) 1989-08-25
JPH0649644Y2 JPH0649644Y2 (ja) 1994-12-14

Family

ID=31237582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988020856U Expired - Lifetime JPH0649644Y2 (ja) 1988-02-18 1988-02-18 クローラ式油圧ショベルの油圧回路

Country Status (1)

Country Link
JP (1) JPH0649644Y2 (US07923587-20110412-C00001.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012067509A (ja) * 2010-09-24 2012-04-05 Nippon Sharyo Seizo Kaisha Ltd 油圧式作業機及び出力増加方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61142235A (ja) * 1984-12-17 1986-06-30 Sumitomo Heavy Ind Ltd 油圧ショベル等の建設機械の油圧回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61142235A (ja) * 1984-12-17 1986-06-30 Sumitomo Heavy Ind Ltd 油圧ショベル等の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
JP2012067509A (ja) * 2010-09-24 2012-04-05 Nippon Sharyo Seizo Kaisha Ltd 油圧式作業機及び出力増加方法

Also Published As

Publication number Publication date
JPH0649644Y2 (ja) 1994-12-14

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