JPH0359502U - - Google Patents

Info

Publication number
JPH0359502U
JPH0359502U JP12015589U JP12015589U JPH0359502U JP H0359502 U JPH0359502 U JP H0359502U JP 12015589 U JP12015589 U JP 12015589U JP 12015589 U JP12015589 U JP 12015589U JP H0359502 U JPH0359502 U JP H0359502U
Authority
JP
Japan
Prior art keywords
pressure
proportional
control valve
valve
proportional control
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.)
Pending
Application number
JP12015589U
Other languages
English (en)
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 JP12015589U priority Critical patent/JPH0359502U/ja
Publication of JPH0359502U publication Critical patent/JPH0359502U/ja
Pending 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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/167—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load using pilot pressure to sense the demand
    • 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
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/575—Pilot pressure control
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/78—Control of multiple output members

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Operation Control Of Excavators (AREA)
  • Servomotors (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係る圧力比例制御弁の回路図
、第２図は同圧力比例制御弁の外観図、第３図は
第２図のＰ視平面図、第４図は第２図の−断
面図、第５図は第４図の−断面図、第６図は
従来の圧力比例制御弁の概略説明図、第７図は第
６図のＰ視平面図、第８図は第６図のＣ−Ｃ断面
図である。 １，１０……圧力比例制御弁、２ａ〜２ｄ……
比例減圧弁、３……操作レバー、７ａ〜７ｄ……
ピストン、１４……シヤトル弁ブロツク、１４ａ
，ｂ……シヤトル弁、２５〜２８……パイロツト
出力ポート、２９……分流パイロツト出力ポート
。
補正 平２．１．１７ 図面の簡単な説明を次のように補正する。 明細書第１０ページ第４行目〜第６行目の「第
６図は〜Ｃ−Ｃ断面図である。」を「第６図は従
来の圧力比例制御弁を示す図で、Ａは概略側面図
、ＢはＡのＰ視平面図、ＣはＡのＣ−Ｃ断面図、
第７図は第６図の油圧回路図である。」と補正す
る。

Claims (1)

    【実用新案登録請求の範囲】
  1. 複数個の比例減圧弁を備えた圧力比例制御弁を
    １本の操作レバーにより、前記所要の比例減圧弁
    へのシフト量に比例して出力するパイロツト油圧
    によつて油圧アクチユエータの操作弁を選択作動
    するようにした油圧操作装置において、前記各比
    例減圧弁からのパイロツト油圧の最高出力を分流
    パイロツト圧として取出すシヤトル弁を一体的に
    前記圧力比例制御弁の弁体内に設けたことを特徴
    とする圧力比例制御弁。
JP12015589U 1989-10-12 1989-10-12 Pending JPH0359502U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12015589U JPH0359502U (ja) 1989-10-12 1989-10-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12015589U JPH0359502U (ja) 1989-10-12 1989-10-12

Publications (1)

Publication Number Publication Date
JPH0359502U true JPH0359502U (ja) 1991-06-12

Family

ID=14779319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12015589U Pending JPH0359502U (ja) 1989-10-12 1989-10-12

Country Status (1)

Country Link
JP (1) JPH0359502U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000032970A1 (en) * 1998-12-01 2000-06-08 Hitachi Construction Machinery Co., Ltd. Control valve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204427A (ja) * 1985-03-06 1986-09-10 Hitachi Constr Mach Co Ltd 土木・建設機械の油圧回路
JPS63115905A (ja) * 1986-10-20 1988-05-20 マンネスマン・レックスロート・ゲーエムベーハー 事前制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204427A (ja) * 1985-03-06 1986-09-10 Hitachi Constr Mach Co Ltd 土木・建設機械の油圧回路
JPS63115905A (ja) * 1986-10-20 1988-05-20 マンネスマン・レックスロート・ゲーエムベーハー 事前制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000032970A1 (en) * 1998-12-01 2000-06-08 Hitachi Construction Machinery Co., Ltd. Control valve

Similar Documents

Publication Publication Date Title
JPH0359502U (ja)
JPS62162720U (ja)
JPH0318260U (ja)
JPS6386404U (ja)
JPS63132335U (ja)
JPS62185906U (ja)
JPS63185849U (ja)
JPS61133102U (ja)
JPS6389403U (ja)
JPS62156110U (ja)
JPS6197652U (ja)
JPS61178787U (ja)
JPS63198644U (ja)
JPS6250301U (ja)
JPH0175604U (ja)
JPS63119905U (ja)
JPH0163802U (ja)
JPS63193142U (ja)
JPH01147176U (ja)
JPS61172203U (ja)
JPS62201822U (ja)
JPS63171704U (ja)
JPH02145304U (ja)
JPS63115901U (ja)
JPS58176716U (ja) 作業車の流体圧回路