GB983103A - Improvements in or relating to electrohydraulic actuators - Google Patents

Improvements in or relating to electrohydraulic actuators

Info

Publication number
GB983103A
GB983103A GB1915461A GB1915461A GB983103A GB 983103 A GB983103 A GB 983103A GB 1915461 A GB1915461 A GB 1915461A GB 1915461 A GB1915461 A GB 1915461A GB 983103 A GB983103 A GB 983103A
Authority
GB
United Kingdom
Prior art keywords
diaphragms
valve
conductive liquid
motor
fed
Prior art date
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
GB1915461A
Other languages
English (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.)
ELECTRONIQUE ET D AUTOMATIQUE
Original Assignee
ELECTRONIQUE ET D AUTOMATIQUE
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 ELECTRONIQUE ET D AUTOMATIQUE filed Critical ELECTRONIQUE ET D AUTOMATIQUE
Publication of GB983103A publication Critical patent/GB983103A/en
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
    • F15B13/042—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
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/06—Use of special fluids, e.g. liquid metal; Special adaptations of fluid-pressure systems, or control of elements therefor, to the use of such fluids
    • F15B21/065—Use of electro- or magnetosensitive fluids, e.g. electrorheological fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/02—Details, e.g. special constructional devices for circuits with fluid elements, such as resistances, capacitive circuit elements; devices preventing reaction coupling in composite elements ; Switch boards; Programme devices
    • F15C1/04—Means for controlling fluid streams to fluid devices, e.g. by electric signals or other signals, no mixing taking place between the signal and the flow to be controlled
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K44/00—Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or vice versa
    • H02K44/02—Electrodynamic pumps
    • H02K44/06—Induction pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Reciprocating Pumps (AREA)
GB1915461A 1960-05-27 1961-05-26 Improvements in or relating to electrohydraulic actuators Expired GB983103A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR4249A FR1265956A (fr) 1960-05-27 1960-05-27 Actionneur électro-hydraulique

Publications (1)

Publication Number Publication Date
GB983103A true GB983103A (en) 1965-02-10

Family

ID=43822008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1915461A Expired GB983103A (en) 1960-05-27 1961-05-26 Improvements in or relating to electrohydraulic actuators

Country Status (2)

Country Link
FR (1) FR1265956A (fr)
GB (1) GB983103A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133225A (en) * 1982-12-31 1984-07-18 Zeiss Jena Veb Carl Electromagnetically operated conveying device
GB2139710A (en) * 1983-04-21 1984-11-14 Millington And Company Limited Pump
EP2060800A1 (fr) * 2007-11-14 2009-05-20 MAGNETI MARELLI POWERTRAIN S.p.A. Actionneur combiné avec frein de commande rhéologique

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133225A (en) * 1982-12-31 1984-07-18 Zeiss Jena Veb Carl Electromagnetically operated conveying device
GB2139710A (en) * 1983-04-21 1984-11-14 Millington And Company Limited Pump
EP2060800A1 (fr) * 2007-11-14 2009-05-20 MAGNETI MARELLI POWERTRAIN S.p.A. Actionneur combiné avec frein de commande rhéologique
US8051823B2 (en) 2007-11-14 2011-11-08 Magneti Marelli Powertrain S.P.A. Combined actuator with rheological control brake

Also Published As

Publication number Publication date
FR1265956A (fr) 1961-07-07

Similar Documents

Publication Publication Date Title
US3273594A (en) Fig.id
US2767689A (en) Electrohydraulic servo valve
US3072146A (en) Digital regulator valve
US4334180A (en) Electromagnetic driving mechanism for oscillating displacement pumps
GB1510064A (en) Priority flow valve
US5133386A (en) Balanced, pressure-flow-compensated, single-stage servovalve
GB1416244A (en) Regulated fluid pump
US3749526A (en) Pumping apparatus with two separated fluid systems
ATE7453T1 (de) Endoskopsystem.
GB1175350A (en) Floating Ring Seal for a Shaft.
GB968656A (en) Improvements in rotary pumps for fluid media
US3835888A (en) Electro hydraulic servo control valve
GB983103A (en) Improvements in or relating to electrohydraulic actuators
US3266514A (en) Signal summing point device for hybrid fluid and electronic controls
US3552275A (en) Electric fluid actuator
US2609831A (en) Pressure flowmeter
US3175585A (en) Hydro-electric servo control mechanisms
GB1370416A (en) Axial piston machine
GB1427835A (en) Electrhydraulic control devices
GB1108081A (en) Improvements in or relating to pipe connectors
GB1364949A (en) Fluid devices operable as pumps or motors
US3289548A (en) Servo stroke divider
GB1394645A (en) Bellows seals for valve rods
GB1356497A (en) Mechanical control arrangement for use in a pressure chamber
US2688953A (en) Electromagnetic signal-receiving and hydraulically responsive automatic control means, system, and method