BE818565A - Systeme de commande compact pour moteur a fluide avec position de flottement - Google Patents

Systeme de commande compact pour moteur a fluide avec position de flottement

Info

Publication number
BE818565A
BE818565A BE147355A BE147355A BE818565A BE 818565 A BE818565 A BE 818565A BE 147355 A BE147355 A BE 147355A BE 147355 A BE147355 A BE 147355A BE 818565 A BE818565 A BE 818565A
Authority
BE
Belgium
Prior art keywords
control system
float position
compact control
fluid engine
engine
Prior art date
Application number
BE147355A
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
Publication of BE818565A publication Critical patent/BE818565A/fr

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)
  • Fluid-Pressure Circuits (AREA)
  • Multiple-Way Valves (AREA)
  • Reciprocating Pumps (AREA)
BE147355A 1973-08-08 1974-08-07 Systeme de commande compact pour moteur a fluide avec position de flottement BE818565A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE818565A true BE818565A (fr) 1975-02-07

Family

ID=23526742

Family Applications (1)

Application Number Title Priority Date Filing Date
BE147355A BE818565A (fr) 1973-08-08 1974-08-07 Systeme de commande compact pour moteur a fluide avec position de flottement

Country Status (5)

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

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5752426A (en) * 1909-04-04 1998-05-19 Komatsu Ltd. Pilot pressure operated directional control valve and an operating cylinder control apparatus
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 (fr) * 1979-11-16 1982-10-28 Orcenith D Mcwilliams Systeme hydraulique de levage de charge pourvu d'une surcharge hydraulique au conduit pilote de vanne de compensation
US4362089A (en) * 1980-06-16 1982-12-07 Caterpillar Tractor Co. Valve system
WO1981003686A1 (fr) * 1980-06-16 1981-12-24 Caterpillar Tractor Co Soupape de reduction de pression avec tige flottante pour event d'appoint
JPH0147647B2 (fr) * 1980-06-16 1989-10-16 Caterpillar Inc
MX153904A (es) * 1980-06-16 1987-02-16 Caterpillar Tractor Co Mejoras en sistema que maneja un fluido para controlar la subida y bajada de una carga,comprendido por ejemplo en vehiculos tales como los que mueven tierra
US4341243A (en) * 1980-06-16 1982-07-27 Caterpillar Tractor Co. Pressure reducing valve with floating stem for make-up vent
US4509406A (en) * 1980-06-16 1985-04-09 Caterpillar Tractor Co. Pressure reducing valve for dead engine lowering
US4392415A (en) * 1980-12-19 1983-07-12 Caterpillar Tractor Co. Control for dead engine lower
WO1982002229A1 (fr) * 1980-12-19 1982-07-08 Melocik Kurt B Commande d'abaissement dans le cas d'un moteur en panne
JPH0272204A (ja) * 1989-03-17 1990-03-12 Komatsu Ltd バルブ
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
JPH04133024U (ja) * 1991-05-30 1992-12-10 エヌテイエヌ株式会社 転がり軸受
US8418989B2 (en) * 2006-12-21 2013-04-16 M-I L.L.C. Pressure-balanced choke system
DE112007003560T5 (de) * 2007-07-02 2010-05-20 Parker Hannifin Ab Flüssigkeitsventilanordnung
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
GB1427503A (en) 1976-03-10
JPS5930922B2 (ja) 1984-07-30
CA996842A (en) 1976-09-14
US3840049A (en) 1974-10-08
JPS5070789A (fr) 1975-06-12

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CATERPILLAR INC.

Effective date: 19920831