GB1369441A - Electro-hydraulic control system - Google Patents

Electro-hydraulic control system

Info

Publication number: GB1369441A
Authority: GB; United Kingdom
Prior art keywords: electro; control system; hydraulic control; hydraulic; control
Prior art date: 1970-12-11
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

GB5888570A

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.)

Dowty Boulton Paul Ltd

Original Assignee

Dowty Boulton Paul 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.)

1970-12-11

Filing date

1970-12-11

Publication date

1974-10-09

1970-12-11 Application filed by Dowty Boulton Paul Ltd filed Critical Dowty Boulton Paul Ltd

1970-12-11 Priority to GB5888570A priority Critical patent/GB1369441A/en

1971-12-13 Priority to US00207302A priority patent/US3789736A/en

1974-10-09 Publication of GB1369441A publication Critical patent/GB1369441A/en

Status 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
- F15B18/00—Parallel arrangements of independent servomotor systems

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Servomotors (AREA)

GB5888570A 1970-12-11 1970-12-11 Electro-hydraulic control system Expired GB1369441A (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
GB5888570A GB1369441A (en)	1970-12-11	1970-12-11	Electro-hydraulic control system
US00207302A US3789736A (en)	1970-12-11	1971-12-13	Multiple hydraulic actuator

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB5888570A GB1369441A (en)	1970-12-11	1970-12-11	Electro-hydraulic control system

Publications (1)

Publication Number	Publication Date
GB1369441A true GB1369441A (en)	1974-10-09

Family

ID=10482605

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB5888570A Expired GB1369441A (en)	1970-12-11	1970-12-11	Electro-hydraulic control system

Country Status (2)

Country	Link
US (1)	US3789736A (en)
GB (1)	GB1369441A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4561470A (en) *	1984-04-18	1985-12-31	Societe Nationale D'etude Et De Construction De Moteurs D'aviation	Servo valve control device
EP0982503A3 (en) *	1998-08-24	2002-05-02	Industria de Turbo Propulsores S.A.	Servo-actuated piston with self-contained hydromechanical detection

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4805515A (en) *	1983-11-18	1989-02-21	General Electric Company	Fail-safe servovalve system
US4579039A (en) *	1983-12-12	1986-04-01	Sundstrand Corporation	Power drive unit
JP2595450B2 (en) *	1993-09-08	1997-04-02	日精樹脂工業株式会社	Method and apparatus for detecting abnormality of hydraulic system in molding machine
US20120148373A1 (en) *	2010-12-13	2012-06-14	Woodings Industrial Corporation	Hydraulic distributor for top charging a blast furnace
CN104613034A (en) *	2014-11-28	2015-05-13	中国航空工业集团公司金城南京机电液压工程研究中心	Electro-hydraulic servo valve with safety protection devices
CN104533861B (en) *	2014-12-05	2016-08-24	中国航空工业集团公司金城南京机电液压工程研究中心	A kind of switching valve for static test
US10442422B2 (en)	2017-12-22	2019-10-15	Goodrich Corporation	Systems and methods for monitoring a health status of a servo valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2866476A (en) *	1952-04-03	1958-12-30	British Messier Ltd	Electro-magnetically operated control valves
GB796194A (en) *	1956-01-05	1958-06-04	Dewandre Co Ltd C	Improvements in or relating to power-assisted steering mechanisms for road vehicles
US2894743A (en) *	1956-01-23	1959-07-14	Dubinsky Milton	Pneumatic edge guider
US2962002A (en) *	1956-04-10	1960-11-29	Sanders Associates Inc	Two-stage hydraulic servo valve
GB1131854A (en) *	1965-06-18	1968-10-30	Elliott Brothers London Ltd	Improvements in and relating to the monitoring of control systems
US3426650A (en) *	1965-12-23	1969-02-11	Bell Aerospace Corp	Triple channel redundant hydraeric control system
US3472125A (en) *	1967-10-30	1969-10-14	Fellows Gear Shaper Co	Hydraulic servo cylinder override
GB1272859A (en) *	1969-11-25	1972-05-03	Hobson Ltd H M	Improvements in position control servo systems

1970
- 1970-12-11 GB GB5888570A patent/GB1369441A/en not_active Expired
1971
- 1971-12-13 US US00207302A patent/US3789736A/en not_active Expired - Lifetime

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4561470A (en) *	1984-04-18	1985-12-31	Societe Nationale D'etude Et De Construction De Moteurs D'aviation	Servo valve control device
EP0159949B1 (en) *	1984-04-18	1987-12-23	Societe Nationale D'etude Et De Construction De Moteurs D'aviation, "S.N.E.C.M.A."	Control device with servo valves
EP0982503A3 (en) *	1998-08-24	2002-05-02	Industria de Turbo Propulsores S.A.	Servo-actuated piston with self-contained hydromechanical detection

Also Published As

Publication number	Publication date
US3789736A (en)	1974-02-05

Legal Events

Date	Code	Title	Description
1975-02-19	PS	Patent sealed [section 19, patents act 1949]
1981-07-30	PCNP	Patent ceased through non-payment of renewal fee

Publication	Publication Date	Title
ZA712046B (en)	1971-12-29	Color control system
GB1366709A (en)	1974-09-11	Numerical control system
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GB1369441A (en)	1974-10-09	Electro-hydraulic control system
ZA71957B (en)	1972-01-26	Brake control system
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