BE830621A - Circuit hydraulique de commande - Google Patents

Circuit hydraulique de commande

Info

Publication number
BE830621A
BE830621A BE157663A BE157663A BE830621A BE 830621 A BE830621 A BE 830621A BE 157663 A BE157663 A BE 157663A BE 157663 A BE157663 A BE 157663A BE 830621 A BE830621 A BE 830621A
Authority
BE
Belgium
Prior art keywords
control circuit
hydraulic control
hydraulic
circuit
control
Prior art date
Application number
BE157663A
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 BE830621A publication Critical patent/BE830621A/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
    • F15B13/042—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
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/265—Plural outflows
    • Y10T137/2655—Biased open isolation valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
BE157663A 1974-08-12 1975-06-25 Circuit hydraulique de commande BE830621A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/496,477 US3987703A (en) 1974-08-12 1974-08-12 Combined restrictor and dead engine lowering valve

Publications (1)

Publication Number Publication Date
BE830621A true BE830621A (fr) 1975-12-29

Family

ID=23972802

Family Applications (1)

Application Number Title Priority Date Filing Date
BE157663A BE830621A (fr) 1974-08-12 1975-06-25 Circuit hydraulique de commande

Country Status (9)

Country Link
US (1) US3987703A (fr)
JP (1) JPS5142879A (fr)
BE (1) BE830621A (fr)
BR (1) BR7501867A (fr)
CA (1) CA1018424A (fr)
DE (1) DE2536126C2 (fr)
FR (1) FR2328123A1 (fr)
GB (1) GB1512668A (fr)
MY (1) MY8200021A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4951095U (fr) * 1972-08-08 1974-05-04
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
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
US4341243A (en) * 1980-06-16 1982-07-27 Caterpillar Tractor Co. Pressure reducing valve with floating stem for make-up vent
DE3070995D1 (en) * 1980-06-16 1985-09-19 Caterpillar Tractor Co Pressure reducing valve with floating stem for make-up vent
JPH0147647B2 (fr) * 1980-06-16 1989-10-16 Caterpillar Inc
US4392415A (en) * 1980-12-19 1983-07-12 Caterpillar Tractor Co. Control for dead engine lower
JPS6392364A (ja) * 1986-10-06 1988-04-22 森田ポンプ株式会社 消火用放水具及び放水装置
US4799420A (en) * 1987-08-27 1989-01-24 Caterpillar Inc. Load responsive control system adapted to use of negative load pressure in operation of system controls
JPH01152101U (fr) * 1988-04-12 1989-10-20
US5060475A (en) * 1990-05-29 1991-10-29 Caterpillar Inc. Pilot control circuit for load sensing hydraulic systems
USH1953H1 (en) 1998-10-15 2001-04-03 Caterpillar Inc. Apparatus and method for preparing a hydraulic work machine for towing
CN106948271B (zh) * 2017-05-03 2019-04-12 甘肃路桥建设集团有限公司 一种公路架桥机的前支腿升降机构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215156A (en) * 1957-10-07 1965-11-02 Ford Motor Co Fluid pressure supply system for vehicle push-start control system
US2946347A (en) * 1959-04-22 1960-07-26 New York Air Brake Co Control valve having a movable member containing combination check and relief valve unit
US3350986A (en) * 1966-03-17 1967-11-07 Caterpillar Tractor Co Two-pump supply for hydraulic circuits having different flow requirements
US3604313A (en) * 1970-05-14 1971-09-14 Gen Signal Corp Hydraulic power circuit with rapid lowering provisions
US3620129A (en) * 1970-07-15 1971-11-16 Gen Signal Corp Hydraulic power circuit with emergency lowering provisions
US3780623A (en) * 1970-07-15 1973-12-25 H Hohlein Valve unit for controlling double acting fluid operating cylinders
US3738107A (en) * 1972-01-21 1973-06-12 Gen Electric Flow mixing selector valve
US3862643A (en) * 1973-02-26 1975-01-28 Caterpillar Tractor Co Pilot pump bleed control for earthmoving scrapers

Also Published As

Publication number Publication date
DE2536126A1 (de) 1976-02-26
FR2328123B1 (fr) 1983-01-14
DE2536126C2 (de) 1986-06-05
US3987703A (en) 1976-10-26
GB1512668A (en) 1978-06-01
JPS5142879A (fr) 1976-04-12
FR2328123A1 (fr) 1977-05-13
CA1018424A (en) 1977-10-04
BR7501867A (pt) 1976-08-03
MY8200021A (en) 1982-12-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CATERPILLAR INC.

Effective date: 19930630