JPS5070789A - - Google Patents

Info

Publication number
JPS5070789A
JPS5070789A JP49089555A JP8955574A JPS5070789A JP S5070789 A JPS5070789 A JP S5070789A JP 49089555 A JP49089555 A JP 49089555A JP 8955574 A JP8955574 A JP 8955574A JP S5070789 A JPS5070789 A JP S5070789A
Authority
JP
Japan
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
JP49089555A
Other versions
JPS5930922B2 (ja
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
Publication of JPS5070789A publication Critical patent/JPS5070789A/ja
Publication of JPS5930922B2 publication Critical patent/JPS5930922B2/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
    • 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
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86606—Common to plural valve motor chambers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87177—With bypass
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-actuated
    • Y10T137/87201—Common to plural valve motor chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Multiple-Way Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
JP49089555A 1973-08-08 1974-08-06 フロ−ト位置を備えたコンパクトな流体モ−タ制御システム Expired JPS5930922B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US386717 1973-08-08
US00386717A US3840049A (en) 1973-08-08 1973-08-08 Compact fluid motor control system with float position

Publications (2)

Publication Number Publication Date
JPS5070789A true JPS5070789A (ja) 1975-06-12
JPS5930922B2 JPS5930922B2 (ja) 1984-07-30

Family

ID=23526742

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49089555A Expired JPS5930922B2 (ja) 1973-08-08 1974-08-06 フロ−ト位置を備えたコンパクトな流体モ−タ制御システム

Country Status (5)

Country Link
US (1) US3840049A (ja)
JP (1) JPS5930922B2 (ja)
BE (1) BE818565A (ja)
CA (1) CA996842A (ja)
GB (1) GB1427503A (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960059A (en) * 1974-12-09 1976-06-01 Caterpillar Tractor Co. Fast exhaust circuit for hydraulic jacks
US4085920A (en) * 1976-11-15 1978-04-25 Caterpillar Tractor Co. Pilot control valve with servo means
US4320691A (en) * 1979-11-16 1982-03-23 Caterpillar Tractor Co. Hydraulic load lifting system with hydraulic surcharge to make up valve pilot lines
WO1982003663A1 (en) * 1979-11-16 1982-10-28 Orcenith D Mcwilliams Hydraulic load lifting system with hydraulic surcharge to make up valve pilot lines
US4362089A (en) * 1980-06-16 1982-12-07 Caterpillar Tractor Co. Valve system
US4509406A (en) * 1980-06-16 1985-04-09 Caterpillar Tractor Co. Pressure reducing valve for dead engine lowering
WO1981003685A1 (en) * 1980-06-16 1981-12-24 Caterpillar Tractor Co Pressure reducing valve for dead engine lowering
DE3070995D1 (en) * 1980-06-16 1985-09-19 Caterpillar Tractor Co Pressure reducing valve with floating stem for make-up vent
WO1981003689A1 (en) * 1980-06-16 1981-12-24 Caterpillar Tractor Co Valve system
US4341243A (en) * 1980-06-16 1982-07-27 Caterpillar Tractor Co. Pressure reducing valve with floating stem for make-up vent
US4392415A (en) * 1980-12-19 1983-07-12 Caterpillar Tractor Co. Control for dead engine lower
EP0072793B1 (en) * 1980-12-19 1986-07-23 Caterpillar Inc. Control for dead engine lower
JPH0276908A (ja) * 1989-03-17 1990-03-16 Komatsu Ltd 圧油供給方法
JPH02225806A (ja) * 1989-03-17 1990-09-07 Komatsu Ltd 作業機シリンダの圧油供給制御方法
JPH0272204A (ja) * 1989-03-17 1990-03-12 Komatsu Ltd バルブ
JPH04133024U (ja) * 1991-05-30 1992-12-10 エヌテイエヌ株式会社 転がり軸受
KR970702456A (ko) * 1994-03-29 1997-05-13 안자키 사토루 파일럿압 작동식 방향 제어 밸브 및 작동실린더 제어장치(Pilot pressure operated directional control valve and operation cylinder control device)
US8418989B2 (en) * 2006-12-21 2013-04-16 M-I L.L.C. Pressure-balanced choke system
WO2009005426A1 (en) * 2007-07-02 2009-01-08 Parker Hannifin Ab Fluid valve arrangement
DE102014008069A1 (de) * 2014-05-30 2015-12-03 Hydac Technology Gmbh Ventilvorrichtung, insbesondere in der Art eines Rückschlagventils ausgebildet, und Verfahren zum Betrieb einer solchen Ventilvorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981287A (en) * 1958-11-14 1961-04-25 American Brake Shoe Co Pilot operated valve mechanism

Also Published As

Publication number Publication date
JPS5930922B2 (ja) 1984-07-30
GB1427503A (en) 1976-03-10
US3840049A (en) 1974-10-08
BE818565A (fr) 1975-02-07
CA996842A (en) 1976-09-14

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