JPH03117704A - 油圧シリンダの再生合流方法 - Google Patents

油圧シリンダの再生合流方法

Info

Publication number
JPH03117704A
JPH03117704A JP2240421A JP24042190A JPH03117704A JP H03117704 A JPH03117704 A JP H03117704A JP 2240421 A JP2240421 A JP 2240421A JP 24042190 A JP24042190 A JP 24042190A JP H03117704 A JPH03117704 A JP H03117704A
Authority
JP
Japan
Prior art keywords
oil
oil chamber
pressure
spool
passage
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
JP2240421A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0459484B2 (en]
Inventor
Wataru Kubomoto
亘 久保本
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 JP2240421A priority Critical patent/JPH03117704A/ja
Publication of JPH03117704A publication Critical patent/JPH03117704A/ja
Publication of JPH0459484B2 publication Critical patent/JPH0459484B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/021—Valves 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)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
JP2240421A 1990-09-10 1990-09-10 油圧シリンダの再生合流方法 Granted JPH03117704A (ja)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Related Parent Applications (1)

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

Publications (2)

Publication Number Publication Date
JPH03117704A true JPH03117704A (ja) 1991-05-20
JPH0459484B2 JPH0459484B2 (en]) 1992-09-22

Family

ID=17059229

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPH03117704A (en])

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0656481A1 (en) * 1993-12-02 1995-06-07 Hitachi Construction Machinery Co., Ltd. Hydraulic control system for construction machines
US6502499B2 (en) 2000-09-26 2003-01-07 Hitachi Construction Machinery Co., Ltd. Hydraulic recovery system for construction machine and construction machine using the same
JP2007263160A (ja) * 2006-03-27 2007-10-11 Kayaba Ind Co Ltd エネルギー変換装置
JP2008002931A (ja) * 2006-06-22 2008-01-10 Hitachi Constr Mach Co Ltd 孔間距離測定装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103807241B (zh) * 2013-11-18 2016-04-06 浙江大学 用于先导式比例阀的集成式过滤装置

Citations (3)

* 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
JPS56115001U (en]) * 1980-02-06 1981-09-03
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

Patent Citations (3)

* 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
JPS56115001U (en]) * 1980-02-06 1981-09-03
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0656481A1 (en) * 1993-12-02 1995-06-07 Hitachi Construction Machinery Co., Ltd. Hydraulic control system for construction machines
US6502499B2 (en) 2000-09-26 2003-01-07 Hitachi Construction Machinery Co., Ltd. Hydraulic recovery system for construction machine and construction machine using the same
JP2007263160A (ja) * 2006-03-27 2007-10-11 Kayaba Ind Co Ltd エネルギー変換装置
JP2008002931A (ja) * 2006-06-22 2008-01-10 Hitachi Constr Mach Co Ltd 孔間距離測定装置

Also Published As

Publication number Publication date
JPH0459484B2 (en]) 1992-09-22

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term