JPH0459484B2 - - Google Patents

Info

Publication number
JPH0459484B2
JPH0459484B2 JP2240421A JP24042190A JPH0459484B2 JP H0459484 B2 JPH0459484 B2 JP H0459484B2 JP 2240421 A JP2240421 A JP 2240421A JP 24042190 A JP24042190 A JP 24042190A JP H0459484 B2 JPH0459484 B2 JP H0459484B2
Authority
JP
Japan
Prior art keywords
oil chamber
pressure
oil
spool
hydraulic cylinder
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
JP2240421A
Other languages
English (en)
Japanese (ja)
Other versions
JPH03117704A (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 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)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (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 JPH03117704A (ja) 1991-05-20
JPH0459484B2 true JPH0459484B2 (zh) 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 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103807241A (zh) * 2013-11-18 2014-05-21 浙江大学 用于先导式比例阀的集成式过滤装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2992434B2 (ja) * 1993-12-02 1999-12-20 日立建機株式会社 建設機械の油圧制御装置
JP4454131B2 (ja) 2000-09-26 2010-04-21 日立建機株式会社 建設機械の油圧再生装置及び建設機械
JP4762022B2 (ja) * 2006-03-27 2011-08-31 カヤバ工業株式会社 エネルギー変換装置
JP4836685B2 (ja) * 2006-06-22 2011-12-14 日立建機株式会社 孔間距離測定装置

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 (zh) * 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103807241A (zh) * 2013-11-18 2014-05-21 浙江大学 用于先导式比例阀的集成式过滤装置
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

Also Published As

Publication number Publication date
JPH03117704A (ja) 1991-05-20

Similar Documents

Publication Publication Date Title
US4192346A (en) Control valve
US7258058B2 (en) Metering valve with integral relief and makeup function
US7204084B2 (en) Hydraulic system having a pressure compensator
KR20150110517A (ko) 유체압 제어 장치
JP7137160B2 (ja) エアシリンダの流体回路
JP2744004B2 (ja) 液圧制御装置
US20080295681A1 (en) Hydraulic system having an external pressure compensator
US3906840A (en) Hydraulic control system for load supporting hydraulic motors
JPH0716943Y2 (ja) 方向制御弁
US3800670A (en) High pressure implement hydraulic circuit
KR20160096081A (ko) 유체압 제어 장치
JP3549126B2 (ja) 方向制御弁
US8479504B2 (en) Hydraulic system having an external pressure compensator
JP4824777B2 (ja) 下降制動弁を備えた液圧式の制御装置
JPH0459484B2 (zh)
JPH0457881B2 (zh)
JPS5925881B2 (ja) 液圧式制御装置
US4723476A (en) Regenerative valve
US3776273A (en) Directional control valve
JPH0245521Y2 (zh)
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
JP2563355Y2 (ja) 流量制御弁
JPH058323Y2 (zh)

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term