JPH0540126Y2 - - Google Patents

Info

Publication number
JPH0540126Y2
JPH0540126Y2 JP1990012250U JP1225090U JPH0540126Y2 JP H0540126 Y2 JPH0540126 Y2 JP H0540126Y2 JP 1990012250 U JP1990012250 U JP 1990012250U JP 1225090 U JP1225090 U JP 1225090U JP H0540126 Y2 JPH0540126 Y2 JP H0540126Y2
Authority
JP
Japan
Prior art keywords
passage
valve
pressure
speed increasing
pilot
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
JP1990012250U
Other languages
English (en)
Japanese (ja)
Other versions
JPH03103344U (nl
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 JP1990012250U priority Critical patent/JPH0540126Y2/ja
Publication of JPH03103344U publication Critical patent/JPH03103344U/ja
Application granted granted Critical
Publication of JPH0540126Y2 publication Critical patent/JPH0540126Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
  • Shovels (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Fluid-Pressure Circuits (AREA)
JP1990012250U 1990-02-09 1990-02-09 Expired - Lifetime JPH0540126Y2 (nl)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990012250U JPH0540126Y2 (nl) 1990-02-09 1990-02-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990012250U JPH0540126Y2 (nl) 1990-02-09 1990-02-09

Publications (2)

Publication Number Publication Date
JPH03103344U JPH03103344U (nl) 1991-10-28
JPH0540126Y2 true JPH0540126Y2 (nl) 1993-10-12

Family

ID=31515738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990012250U Expired - Lifetime JPH0540126Y2 (nl) 1990-02-09 1990-02-09

Country Status (1)

Country Link
JP (1) JPH0540126Y2 (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006118592A (ja) * 2004-10-21 2006-05-11 Yanmar Co Ltd 作業機の油圧ポンプ制御装置
JP5185107B2 (ja) * 2005-04-28 2013-04-17 ベスローテン・フェンノートシャップ・ホルマトロ・インダストリアル・イクウィップメント 液圧バルブシステムを備えたツール

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59222601A (ja) * 1983-05-30 1984-12-14 Nippon Pneumatic Kogyo Kk 油圧シリンダ制御装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59222601A (ja) * 1983-05-30 1984-12-14 Nippon Pneumatic Kogyo Kk 油圧シリンダ制御装置

Also Published As

Publication number Publication date
JPH03103344U (nl) 1991-10-28

Similar Documents

Publication Publication Date Title
US5642616A (en) Fluid pressure control system for hydraulic excavators
US4065010A (en) Swing valve circuit
JPH1113091A (ja) 建設機械の油圧駆動装置
JP2784519B2 (ja) 補助継手圧力リリーフ油圧装置
US3865013A (en) Auxiliary tool control circuit
JPH0540126Y2 (nl)
JP2756078B2 (ja) アタッチメント用カプラ
JPH09329106A (ja) 液圧回路
KR100212649B1 (ko) 미세 모드 작동 성능을 증가시키기 위한 장치 및방법
JPS595163B2 (ja) クレ−ン等の速度制御回路
JPH0893708A (ja) 油圧回路
JP2002004335A (ja) 建設機械の自動給脂装置
JP3541456B2 (ja) 遠隔操縦式油圧ショベルの油圧回路装置
JP2926035B1 (ja) 作業用機械の油圧制御回路
JP2002030814A (ja) 構造物解体装置
JPH07317713A (ja) 建設機械の油圧回路
JP2871112B2 (ja) 建設機械の旋回回路
JP2711702B2 (ja) パワーショベルにおけるショベル作動圧切換方法及び装置
US10753068B1 (en) Electro-hydraulic arrangement for an earthmoving machine
JPH0751797B2 (ja) バックホウの油圧回路
JP2581029Y2 (ja) 破砕機
JPH08177086A (ja) 旋回用油圧モータの油圧回路
JPH0442368Y2 (nl)
JP3460277B2 (ja) 作業機械の油圧装置
JPH0519403Y2 (nl)