FR1576772A - - Google Patents

Info

Publication number
FR1576772A
FR1576772A FR1576772DA FR1576772A FR 1576772 A FR1576772 A FR 1576772A FR 1576772D A FR1576772D A FR 1576772DA FR 1576772 A FR1576772 A FR 1576772A
Authority
FR
France
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1576772A publication Critical patent/FR1576772A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
    • 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
    • F15B13/021—Valves for interconnecting the fluid chambers of an actuator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/363—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a piston
    • 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
    • Y10T137/2514—Self-proportioning flow systems
    • Y10T137/2521—Flow comparison or differential response
    • Y10T137/2524—Flow dividers [e.g., reversely acting controls]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
FR1576772D 1967-08-01 1968-08-01 Expired FR1576772A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65766967A 1967-08-01 1967-08-01

Publications (1)

Publication Number Publication Date
FR1576772A true FR1576772A (en) 1969-08-01

Family

ID=24638156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1576772D Expired FR1576772A (en) 1967-08-01 1968-08-01

Country Status (4)

Country Link
US (1) US3448685A (en)
JP (1) JPS4928313B1 (en)
FR (1) FR1576772A (en)
GB (1) GB1205710A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010699A1 (en) * 1978-11-01 1980-05-14 Caterpillar Tractor Co. Fluid motor control circuit with fast-acting quick-drop valve

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568707A (en) * 1968-12-16 1971-03-09 Int Harvester Co Quick drop valve
US4240457A (en) * 1978-03-15 1980-12-23 Caterpillar Tractor Co. Variable flow control valve for steering systems of articulated vehicles
US4417502A (en) * 1980-11-17 1983-11-29 Dresser Industries, Inc. Load supporting hydraulic circuit with emergency automatic load restraint
WO1982001749A1 (en) * 1980-11-17 1982-05-27 Shore Daniel B Load supporting hydraulic circuit with emergency automatic load restraint
US4397221A (en) * 1981-06-01 1983-08-09 Deere & Company Regenerative valve
DE3379607D1 (en) * 1982-05-08 1989-05-18 Dereve Flow Controls Limited Fluid flow control valve
US5014734A (en) * 1990-08-31 1991-05-14 Caterpillar Inc. Quick drop valve
US5251705A (en) * 1992-03-19 1993-10-12 Deere & Company Electrical trigger for quick drop valve
US10047502B2 (en) 2015-12-10 2018-08-14 Caterpillar Inc. System and method for controlling a work implement of a machine
CN112696512B (en) * 2020-12-21 2021-12-14 西安交通大学 Adjustable oil spill valve and diaphragm hydrogen compressor for hydrogenation station
CN113738618B (en) * 2021-08-20 2022-06-07 西安交通大学 Oil pressure accompanying control system and method for diaphragm compressor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2367682A (en) * 1943-04-09 1945-01-23 Adel Prec Products Corp Landing gear by-pass valve
US2646025A (en) * 1951-02-07 1953-07-21 Bendix Aviat Corp By-pass valve for hydraulic motors
US3006372A (en) * 1959-04-22 1961-10-31 New York Air Brake Co Control valve with cavitation-minimizing replenishing circuit
US3241461A (en) * 1963-09-03 1966-03-22 Allis Chalmers Mfg Co Hydraulic control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010699A1 (en) * 1978-11-01 1980-05-14 Caterpillar Tractor Co. Fluid motor control circuit with fast-acting quick-drop valve

Also Published As

Publication number Publication date
JPS4928313B1 (en) 1974-07-25
GB1205710A (en) 1970-09-16
US3448685A (en) 1969-06-10

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Legal Events

Date Code Title Description
ST Notification of lapse