ZA825477B - Hydraulic control system - Google Patents

Hydraulic control system

Info

Publication number: ZA825477B
Authority: ZA; South Africa
Prior art keywords: control system; hydraulic control; hydraulic; control
Prior art date: 1981-08-21

Application number

ZA825477A

Other languages

English (en)

Inventor

Ronald Bernard Walters

Original Assignee

Sperry Corp

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.)

1981-08-21

Filing date

1982-07-29

Publication date

1983-06-29

1982-07-29 Application filed by Sperry Corp filed Critical Sperry Corp

1983-06-29 Publication of ZA825477B publication Critical patent/ZA825477B/xx

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
- F15B13/043—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 electrically-controlled pilot valves
- F15B13/0435—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 electrically-controlled pilot valves the pilot valves being sliding valves
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration

Landscapes

Engineering & Computer Science (AREA)
Automation & Control Theory (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Fluid-Pressure Circuits (AREA)
Servomotors (AREA)

ZA825477A 1981-08-21 1982-07-29 Hydraulic control system ZA825477B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8125585		1981-08-21

Publications (1)

Publication Number	Publication Date
ZA825477B true ZA825477B (en)	1983-06-29

Family

ID=10524095

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA825477A ZA825477B (en)	1981-08-21	1982-07-29	Hydraulic control system

Country Status (5)

Country	Link
US (1)	US4667571A (fr)
EP (1)	EP0073148B1 (fr)
JP (1)	JPS5846206A (fr)
DE (1)	DE3274280D1 (fr)
ZA (1)	ZA825477B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS62167902A (ja) *	1985-11-18	1987-07-24	オ−チス　エレベ−タ　コムパニ−	動的にプログラムしたモ−タ操作バルブ制御装置
US4694935A (en) *	1986-10-17	1987-09-22	Cemco, Inc.	Self-adjusting control valve for elevators
US7308848B2 (en) *	2004-12-02	2007-12-18	Sarcos Investments Lc	Pressure control valve having intrinsic feedback system
US7284471B2 (en) *	2004-12-02	2007-10-23	Sarcos Investments Lc	Pressure control valve having intrinsic mechanical feedback system
US8061261B2 (en) *	2007-02-28	2011-11-22	Raytheon Company	Antagonistic fluid control system for active and passive actuator operation
JP5460335B2 (ja) *	2007-02-28	2014-04-02	レイセオンカンパニー	選択的に起動可能な作動装置を有する流体制御システム
US7779863B2 (en) *	2007-06-29	2010-08-24	Raytheon Sarcos, Llc	Pressure control valve having an asymmetric valving structure
CN105366583B (zh) *	2015-12-15	2019-03-22	常州信息职业技术学院	基于无线通信的智能千斤顶装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3878765A (en) *	1971-01-05	1975-04-22	Sperry Rand Ltd	Hydraulic actuator controls
GB1406326A (en) *	1972-11-08	1975-09-17	Sperry Rand Ltd	Hydraulic actuator controls disazo pigment
GB1462879A (en) *	1973-10-10	1977-01-26	Sperry Rand Ltd	Hydraulic actuator controls
US4011888A (en) *	1976-03-12	1977-03-15	Elevator Equipment Co.	Unitary elevator up level control valve
US4111283A (en) *	1976-12-20	1978-09-05	Clark Equipment Company	Regulator valve
US4411189A (en) *	1977-07-18	1983-10-25	The Scott And Fetzer Company	Fluid flow controlling device
US4249641A (en) *	1978-11-14	1981-02-10	Hitachi, Ltd.	Speed control system for hydraulic elevator
GB2050646B (en) *	1979-06-15	1983-04-13	Sperry Rand Corp	Hydraulic actuator controls
EP0023416B1 (fr) *	1979-07-26	1985-12-27	Vickers Incorporated	Soupape hydraulique
US4392415A (en) *	1980-12-19	1983-07-12	Caterpillar Tractor Co.	Control for dead engine lower
US4418612A (en) *	1981-05-28	1983-12-06	Vickers, Incorporated	Power transmission

1982
- 1982-07-29 ZA ZA825477A patent/ZA825477B/xx unknown
- 1982-08-17 US US06/408,752 patent/US4667571A/en not_active Expired - Fee Related
- 1982-08-20 JP JP57143470A patent/JPS5846206A/ja active Pending
- 1982-08-20 EP EP82304405A patent/EP0073148B1/fr not_active Expired
- 1982-08-20 DE DE8282304405T patent/DE3274280D1/de not_active Expired

Also Published As

Publication number	Publication date
JPS5846206A (ja)	1983-03-17
EP0073148A3 (en)	1984-05-23
US4667571A (en)	1987-05-26
DE3274280D1 (en)	1987-01-02
EP0073148B1 (fr)	1986-11-12
EP0073148A2 (fr)	1983-03-02

Publication	Publication Date	Title
IL61719A (en)	1987-10-30	Hydraulic control system
GB2103403B (en)	1985-03-13	Transmission control system
IL66858A0 (en)	1982-12-31	Irrigation control system
GB2102921B (en)	1985-05-30	Hydraulic control apparatus
GB8327703D0 (en)	1983-11-16	Hydraulic control system
GB2111925B (en)	1985-03-13	Control system for dual hydraulic power system
GB8332882D0 (en)	1984-01-18	Hydraulic control system
GB8401852D0 (en)	1984-02-29	Hydraulic control system
ZA823400B (en)	1983-12-28	Power-on-demand hydraulic system
DE3260888D1 (en)	1984-11-08	Hydraulic control apparatus
DE3173888D1 (en)	1986-04-03	Hydraulic control device
DE3274280D1 (en)	1987-01-02	Hydraulic control system
IL65021A0 (en)	1982-04-30	Multiple control system
HK33885A (en)	1985-05-10	Braking control system
DE3364878D1 (en)	1986-09-04	Hydraulic control system
GB2100040B (en)	1985-03-06	Fluid control system
DE3269125D1 (en)	1986-03-27	Fluid control system
GB2109966B (en)	1985-04-24	Control systems
DE3268279D1 (en)	1986-02-13	Hydraulic control means
GB2074759B (en)	1984-02-15	Hydraulic control system
GB2147053B (en)	1987-04-01	Hydraulic control system
DE3271342D1 (en)	1986-07-03	Hydraulic control systems
GB2082800B (en)	1983-12-07	Integrated hydraulic control system
DE3567509D1 (en)	1989-02-16	Hydraulic control system
DE3275399D1 (en)	1987-03-12	Hydraulic control apparatus