JPH032722Y2 - - Google Patents

Info

Publication number
JPH032722Y2
JPH032722Y2 JP1985135597U JP13559785U JPH032722Y2 JP H032722 Y2 JPH032722 Y2 JP H032722Y2 JP 1985135597 U JP1985135597 U JP 1985135597U JP 13559785 U JP13559785 U JP 13559785U JP H032722 Y2 JPH032722 Y2 JP H032722Y2
Authority
JP
Japan
Prior art keywords
pilot
control valve
valve
pressure
port
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
Application number
JP1985135597U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6244105U (US06878557-20050412-C00065.png
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 JP1985135597U priority Critical patent/JPH032722Y2/ja
Priority to KR1019860007275A priority patent/KR920001908B1/ko
Priority to DE8686112328T priority patent/DE3678090D1/de
Priority to EP86112328A priority patent/EP0218901B1/en
Priority to US06/904,119 priority patent/US4753158A/en
Priority to CN 89105618 priority patent/CN1011733B/zh
Priority to CN86106036.9A priority patent/CN1007447B/zh
Priority to IN669/CAL/86A priority patent/IN165707B/en
Priority to KR1019860011369A priority patent/KR900001755B1/ko
Publication of JPS6244105U publication Critical patent/JPS6244105U/ja
Application granted granted Critical
Publication of JPH032722Y2 publication Critical patent/JPH032722Y2/ja
Expired 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Valves (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
JP1985135597U 1985-09-06 1985-09-06 Expired JPH032722Y2 (US06878557-20050412-C00065.png)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP1985135597U JPH032722Y2 (US06878557-20050412-C00065.png) 1985-09-06 1985-09-06
KR1019860007275A KR920001908B1 (ko) 1985-09-06 1986-08-30 방향전환밸브 조작용 파이롯 유압회로장치
EP86112328A EP0218901B1 (en) 1985-09-06 1986-09-05 Pilot hydraulic system for operating directional control valve
US06/904,119 US4753158A (en) 1985-09-06 1986-09-05 Pilot hydraulic system for operating directional control valve
DE8686112328T DE3678090D1 (de) 1985-09-06 1986-09-05 Hydraulisches vorsteuersystem fuer die bedienung von wegeventilen.
CN 89105618 CN1011733B (zh) 1985-09-06 1986-09-06 具有压力补偿功能的流量控制阀
CN86106036.9A CN1007447B (zh) 1985-09-06 1986-09-06 操纵换向阀用的液压操纵回路装置
IN669/CAL/86A IN165707B (US06878557-20050412-C00065.png) 1985-09-06 1986-09-08
KR1019860011369A KR900001755B1 (ko) 1985-09-06 1986-12-27 유압 건설기계의 제어 시스템

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985135597U JPH032722Y2 (US06878557-20050412-C00065.png) 1985-09-06 1985-09-06

Publications (2)

Publication Number Publication Date
JPS6244105U JPS6244105U (US06878557-20050412-C00065.png) 1987-03-17
JPH032722Y2 true JPH032722Y2 (US06878557-20050412-C00065.png) 1991-01-24

Family

ID=15155538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985135597U Expired JPH032722Y2 (US06878557-20050412-C00065.png) 1985-09-06 1985-09-06

Country Status (2)

Country Link
JP (1) JPH032722Y2 (US06878557-20050412-C00065.png)
KR (1) KR900001755B1 (US06878557-20050412-C00065.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH076521B2 (ja) * 1987-06-30 1995-01-30 日立建機株式会社 ロ−ドセンシング油圧駆動回路の制御装置
JPH0747602Y2 (ja) * 1988-05-09 1995-11-01 日立建機株式会社 方向切換弁駆動油圧回路
CN102616687B (zh) * 2012-03-28 2013-07-24 中联重科股份有限公司 可回转工程机械回转恒功率控制方法、系统及工程机械
JP5848721B2 (ja) * 2013-03-21 2016-01-27 川崎重工業株式会社 緩衝弁
JP7246297B2 (ja) * 2019-12-16 2023-03-27 日立建機株式会社 建設機械

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5634161U (US06878557-20050412-C00065.png) * 1979-08-24 1981-04-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5634161U (US06878557-20050412-C00065.png) * 1979-08-24 1981-04-03

Also Published As

Publication number Publication date
KR870006320A (ko) 1987-07-10
KR900001755B1 (ko) 1990-03-19
JPS6244105U (US06878557-20050412-C00065.png) 1987-03-17

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