FR2205632A1 - - Google Patents

Info

Publication number
FR2205632A1
FR2205632A1 FR7339583A FR7339583A FR2205632A1 FR 2205632 A1 FR2205632 A1 FR 2205632A1 FR 7339583 A FR7339583 A FR 7339583A FR 7339583 A FR7339583 A FR 7339583A FR 2205632 A1 FR2205632 A1 FR 2205632A1
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.)
Granted
Application number
FR7339583A
Other languages
French (fr)
Other versions
FR2205632B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unisys Group Services Ltd
Original Assignee
Sperry Rand Ltd
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 by Sperry Rand Ltd filed Critical Sperry Rand Ltd
Publication of FR2205632A1 publication Critical patent/FR2205632A1/fr
Application granted granted Critical
Publication of FR2205632B1 publication Critical patent/FR2205632B1/fr
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
    • F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation 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
    • Y10T137/2544—Supply and exhaust type
    • Y10T137/2554—Reversing or 4-way valve systems
    • 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
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86614—Electric
FR7339583A 1972-11-08 1973-11-07 Expired FR2205632B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5147172A GB1406326A (en) 1972-11-08 1972-11-08 Hydraulic actuator controls disazo pigment

Publications (2)

Publication Number Publication Date
FR2205632A1 true FR2205632A1 (en) 1974-05-31
FR2205632B1 FR2205632B1 (en) 1977-05-27

Family

ID=10460156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7339583A Expired FR2205632B1 (en) 1972-11-08 1973-11-07

Country Status (8)

Country Link
US (1) US3874269A (en)
JP (1) JPS5312031B2 (en)
CA (1) CA988811A (en)
DE (1) DE2355430C2 (en)
FR (1) FR2205632B1 (en)
GB (1) GB1406326A (en)
IT (1) IT999089B (en)
SE (1) SE402803B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021742A2 (en) * 1979-06-15 1981-01-07 Sperry Corporation Hydraulic actuator control

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1462879A (en) * 1973-10-10 1977-01-26 Sperry Rand Ltd Hydraulic actuator controls
DE2461021A1 (en) * 1974-12-21 1976-06-24 Bosch Gmbh Robert DEVICE FOR CONTROLLING AT LEAST ONE HYDRAULIC CONTROL DEVICE
US3943957A (en) * 1975-03-17 1976-03-16 Sanders Associates, Inc. Flow control valve with internal rate of flow feedback
JPS529781A (en) * 1975-07-12 1977-01-25 Hitachi Constr Mach Co Ltd Hydraulic system for control function
US4619186A (en) * 1977-09-03 1986-10-28 Vickers, Incorporated Pressure relief valves
US4250794A (en) * 1978-03-31 1981-02-17 Caterpillar Tractor Co. High pressure hydraulic system
FR2435187A1 (en) * 1978-09-08 1980-04-04 Renault ELECTROHYDRAULIC LIFTING DEVICE FOR AGRICULTURAL TOOLS
EP0023416B1 (en) * 1979-07-26 1985-12-27 Vickers Incorporated Hydraulic valve
DE3008929A1 (en) * 1980-03-08 1981-09-24 Schloemann-Siemag AG, 4000 Düsseldorf SAFETY CONTROL DEVICE FOR HYDRAULICALLY HOLDING LOADS AGAINST UNCONTROLLED LOWERING AND LIFTING, FOR EXAMPLE ON VERTICAL PRESSES OR LOAD HOLDING DEVICES
DE3017080C2 (en) * 1980-05-03 1985-11-28 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Electro-hydraulic actuator
US4362089A (en) * 1980-06-16 1982-12-07 Caterpillar Tractor Co. Valve system
MX155646A (en) * 1980-06-16 1988-04-11 Caterpillar Inc IMPROVEMENTS IN PRESSURE REGULATING VALVE TO PROVIDE A REGULATED SUPPLY OF FLUID FROM AT LEAST TWO SOURCES, IN A VEHICLE
ZA825477B (en) * 1981-08-21 1983-06-29 Sperry Corp Hydraulic control system
JPS5877905A (en) * 1981-09-02 1983-05-11 プル−テク・リミテツド Hydraulic control valve
AU1587183A (en) * 1982-07-02 1984-01-05 Sperry Corp. Hydraulic valve with dual feedback control
GB2138897B (en) * 1983-04-29 1986-09-10 Aisin Warner Kabushiki Kaishi An automatic transmission for a vehicle
US5056561A (en) * 1990-02-08 1991-10-15 Byers James O Remote controlled, individually pressure compensated valve
US5775198A (en) * 1997-03-07 1998-07-07 Alliedsignal Inc. Control system for a limited stall load activator
CN100590324C (en) * 2006-10-16 2010-02-17 太原理工大学 Guide proportion directional throttle valve
KR101500744B1 (en) * 2008-11-19 2015-03-09 두산인프라코어 주식회사 Boom cylinder control circuit for construction machinery
KR101877988B1 (en) 2011-12-28 2018-07-12 두산인프라코어 주식회사 Boom cylinder control circuit for construction machinery
DE102013206254A1 (en) * 2013-04-10 2014-10-16 Zf Friedrichshafen Ag Valve system for controlling a system pressure regulation system
DE102015116764A1 (en) * 2015-10-02 2017-04-06 Linde Hydraulics Gmbh & Co. Kg Hydraulic constant pressure system for a mobile work machine
US11540942B2 (en) * 2018-07-26 2023-01-03 Alcon Inc. Redundant pneumatic circuit for reliability enhancement of vitrectomy instruments
CN111022408B (en) * 2020-01-06 2021-11-12 合肥工业大学 Combination valve with return oil way compensation load sensing function

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003474A (en) * 1961-10-10 Hydraulic control system with flow
US3038498A (en) * 1956-09-25 1962-06-12 Borg Warner Hydraulic amplifier
US2944530A (en) * 1959-04-29 1960-07-12 Alfred C Johnson Pneumatic control means for reciprocable pistons
FR1361466A (en) * 1963-04-09 1964-05-22 Hispano Suiza Sa Improvements to hydraulic control systems with double-acting receiving devices
US3555969A (en) * 1968-08-08 1971-01-19 Bell Aerospace Corp Servovalve having dynamic load adaptive response while maintaining static performance unaffected
US3555970A (en) * 1968-08-08 1971-01-19 Bell Aerospace Corp Pressure regulator for servo valve having dynamic load adaptive response
SE360190B (en) * 1970-01-05 1973-09-17 Sperry Rand Ltd
CA943040A (en) * 1970-10-06 1974-03-05 Ronald B. Walters Hydraulic actuator controls

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021742A2 (en) * 1979-06-15 1981-01-07 Sperry Corporation Hydraulic actuator control
EP0021742A3 (en) * 1979-06-15 1981-05-27 Sperry Corporation Improvements in or relating to hydraulic actuator controls

Also Published As

Publication number Publication date
FR2205632B1 (en) 1977-05-27
SE402803B (en) 1978-07-17
US3874269A (en) 1975-04-01
DE2355430A1 (en) 1974-05-16
JPS4995091A (en) 1974-09-10
AU6199473A (en) 1975-05-01
GB1406326A (en) 1975-09-17
DE2355430C2 (en) 1984-11-22
IT999089B (en) 1976-02-20
JPS5312031B2 (en) 1978-04-26
CA988811A (en) 1976-05-11

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse