JPH0457881B2 - - Google Patents

Info

Publication number
JPH0457881B2
JPH0457881B2 JP61061739A JP6173986A JPH0457881B2 JP H0457881 B2 JPH0457881 B2 JP H0457881B2 JP 61061739 A JP61061739 A JP 61061739A JP 6173986 A JP6173986 A JP 6173986A JP H0457881 B2 JPH0457881 B2 JP H0457881B2
Authority
JP
Japan
Prior art keywords
spool
oil chamber
oil
hole
pressure
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
JP61061739A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62220705A (ja
Inventor
Wataru Kubomoto
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.)
Kobelco Construction Machinery Co Ltd
Original Assignee
Yutani Heavy Industries 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 Yutani Heavy Industries Ltd filed Critical Yutani Heavy Industries Ltd
Priority to JP61061739A priority Critical patent/JPS62220705A/ja
Publication of JPS62220705A publication Critical patent/JPS62220705A/ja
Publication of JPH0457881B2 publication Critical patent/JPH0457881B2/ja
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/021Valves for interconnecting the fluid chambers of an actuator

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP61061739A 1986-03-18 1986-03-18 油圧シリンダの可変式再生回路弁 Granted JPS62220705A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61061739A JPS62220705A (ja) 1986-03-18 1986-03-18 油圧シリンダの可変式再生回路弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61061739A JPS62220705A (ja) 1986-03-18 1986-03-18 油圧シリンダの可変式再生回路弁

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2240421A Division JPH03117704A (ja) 1990-09-10 1990-09-10 油圧シリンダの再生合流方法

Publications (2)

Publication Number Publication Date
JPS62220705A JPS62220705A (ja) 1987-09-28
JPH0457881B2 true JPH0457881B2 (ko) 1992-09-16

Family

ID=13179859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61061739A Granted JPS62220705A (ja) 1986-03-18 1986-03-18 油圧シリンダの可変式再生回路弁

Country Status (1)

Country Link
JP (1) JPS62220705A (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010531420A (ja) * 2007-06-26 2010-09-24 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 少なくとも1つのハイドロリック式の消費器への圧力媒体供給のための方法およびハイドロリック式の制御装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02134401A (ja) * 1988-11-10 1990-05-23 Diesel Kiki Co Ltd 油圧制御装置
JPH0749164Y2 (ja) * 1992-12-01 1995-11-13 株式会社小松製作所 開閉弁装置
WO1994013959A1 (en) * 1992-12-04 1994-06-23 Hitachi Construction Machinery Co., Ltd. Hydraulic regenerator
JP4859786B2 (ja) * 2007-08-10 2012-01-25 カヤバ工業株式会社 制御装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158583A (en) * 1978-06-05 1979-12-14 Toyooki Kogyo Kk Hydraulic controller
JPS5923104A (ja) * 1982-07-30 1984-02-06 Kayaba Ind Co Ltd 再生及び優先兼用油圧制御装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56115001U (ko) * 1980-02-06 1981-09-03

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54158583A (en) * 1978-06-05 1979-12-14 Toyooki Kogyo Kk Hydraulic controller
JPS5923104A (ja) * 1982-07-30 1984-02-06 Kayaba Ind Co Ltd 再生及び優先兼用油圧制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010531420A (ja) * 2007-06-26 2010-09-24 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 少なくとも1つのハイドロリック式の消費器への圧力媒体供給のための方法およびハイドロリック式の制御装置

Also Published As

Publication number Publication date
JPS62220705A (ja) 1987-09-28

Similar Documents

Publication Publication Date Title
US4192346A (en) Control valve
US5826486A (en) Hydraulic circuit
US7258058B2 (en) Metering valve with integral relief and makeup function
KR20150110517A (ko) 유체압 제어 장치
JP2744004B2 (ja) 液圧制御装置
US3906840A (en) Hydraulic control system for load supporting hydraulic motors
US20080295681A1 (en) Hydraulic system having an external pressure compensator
JPH0716943Y2 (ja) 方向制御弁
US3800670A (en) High pressure implement hydraulic circuit
JP3549126B2 (ja) 方向制御弁
JPS58121305A (ja) 油圧シリンダの伸縮保持用油圧回路
JP4824777B2 (ja) 下降制動弁を備えた液圧式の制御装置
JPH0457881B2 (ko)
JPH0459484B2 (ko)
JPS5925881B2 (ja) 液圧式制御装置
US4723476A (en) Regenerative valve
JP2923050B2 (ja) 急速下降弁
US3776273A (en) Directional control valve
JPH0245521Y2 (ko)
JP3062171B1 (ja) 産業機械の油圧装置
JP2630775B2 (ja) 高負荷アクチュエータの優先作動制御装置
US3872883A (en) Spool-type relief valve
GB1594268A (en) Control valves
JPH058323Y2 (ko)
JPS6143835Y2 (ko)

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees