GB2103390B - Hydraulic system with proportional electrical control - Google Patents

Hydraulic system with proportional electrical control

Info

Publication number
GB2103390B
GB2103390B GB08218210A GB8218210A GB2103390B GB 2103390 B GB2103390 B GB 2103390B GB 08218210 A GB08218210 A GB 08218210A GB 8218210 A GB8218210 A GB 8218210A GB 2103390 B GB2103390 B GB 2103390B
Authority
GB
United Kingdom
Prior art keywords
hydraulic system
electrical control
proportional electrical
proportional
hydraulic
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
GB08218210A
Other versions
GB2103390A (en
Inventor
Giulio Dotti
Ugo Costelli
Luciano Moretti
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.)
Centro Ricerche Fiat SCpA
Original Assignee
Centro Ricerche Fiat SCpA
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 Centro Ricerche Fiat SCpA filed Critical Centro Ricerche Fiat SCpA
Publication of GB2103390A publication Critical patent/GB2103390A/en
Application granted granted Critical
Publication of GB2103390B publication Critical patent/GB2103390B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
    • F16K31/406—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a piston
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/025—Electrically controlled valves
    • B60T15/028—Electrically controlled valves in hydraulic systems
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2093—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power
    • G05D16/2097—Control of fluid pressure characterised by the use of electric means with combination of electric and non-electric auxiliary power using pistons within the main valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Magnetically Actuated Valves (AREA)
  • Safety Valves (AREA)
GB08218210A 1981-07-01 1982-06-23 Hydraulic system with proportional electrical control Expired GB2103390B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67914/81A IT1144260B (en) 1981-07-01 1981-07-01 PROPORTIONAL ELECTRIC PILOT HYDRAULIC SYSTEM

Publications (2)

Publication Number Publication Date
GB2103390A GB2103390A (en) 1983-02-16
GB2103390B true GB2103390B (en) 1984-11-28

Family

ID=11306327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08218210A Expired GB2103390B (en) 1981-07-01 1982-06-23 Hydraulic system with proportional electrical control

Country Status (5)

Country Link
JP (2) JPS5821074A (en)
DE (1) DE3224189A1 (en)
FR (1) FR2509009B1 (en)
GB (1) GB2103390B (en)
IT (1) IT1144260B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60175884A (en) * 1984-02-07 1985-09-10 シ−ルド・パワ−・コ−ポレ−シヨン Solenoid valve
DE3427033A1 (en) * 1984-07-21 1986-01-23 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover VALVE DEVICE
DE3443079A1 (en) * 1984-07-21 1986-01-30 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Valve device
JPS6166276U (en) * 1984-10-08 1986-05-07
DE3442750A1 (en) * 1984-11-23 1986-05-28 Robert Bosch Gmbh, 7000 Stuttgart SOLENOID VALVE FOR FLUID CONTROL
DE3714337C2 (en) * 1987-04-29 1997-03-20 Rexroth Mannesmann Gmbh Servo valve with piezo control and piezoelectric control motor
JPS6457472U (en) * 1987-10-05 1989-04-10
US5018431A (en) * 1988-12-09 1991-05-28 Quadrastat Corporation Apparatus for positioning a work implement
US5184644A (en) * 1991-05-30 1993-02-09 Coltec Industries Inc. Solenoid operated pressure regulating valve
DE4400115A1 (en) * 1993-01-04 1994-07-07 Aro Corp Feed-through coil for a pneumatic valve
JP2721117B2 (en) * 1993-02-23 1998-03-04 ステリス コーポレイション Lock mechanism, system provided with the lock mechanism, and sterilization system provided with the lock mechanism
US5421545A (en) * 1993-09-03 1995-06-06 Caterpillar Inc. Poppet valve with force feedback control
EP1054152A3 (en) * 1999-05-19 2002-08-14 HydraForce, Inc. Electrically controlled valve having mechanism for controlling a nonlinear force
US6769252B2 (en) 2001-12-10 2004-08-03 Caterpillar Inc Fluid system having variable pressure relief
JP4898580B2 (en) * 2007-07-05 2012-03-14 東京戸張株式会社 Passover prevention fence

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB837899A (en) * 1957-01-04 1960-06-15 Concentric Mfg Company Ltd Improvements in and relating to electrically controlled valves
GB853974A (en) * 1957-10-09 1960-11-16 British Oxygen Co Ltd Servo valve for pressure fluids
GB992960A (en) * 1961-08-02 1965-05-26 Brakeshoe Internat S A Improved electric and fluid pressure operated valve mechanism and control circuit therefor
GB1072988A (en) * 1963-10-05 1967-06-21 Asea Ab Fluid pressure regulator valve
DE2023259A1 (en) * 1969-05-20 1970-11-26 Flight Refuelling Ltd., London Solenoid operated flow medium valve, especially for hydraulic high pressure circuits of aircraft
JPS4834246A (en) * 1971-09-06 1973-05-17
US3861644A (en) * 1973-10-09 1975-01-21 Gen Motors Corp Solenoid valve
US3983909A (en) * 1973-12-14 1976-10-05 Societe Anonyme D.B.A. Three-way solenoid valve
JPS551005B2 (en) * 1974-03-21 1980-01-11
DE2439271A1 (en) * 1974-08-16 1976-03-11 Herion Werke Kg Solenoid valve with main and auxiliary valve plug - opposing pole of latter slides in plug guide
JPS5179024A (en) * 1974-12-27 1976-07-09 Rexroth Gmbh G L JISHAKUCHOSETSUSHIKIATSURYOKUBEN

Also Published As

Publication number Publication date
IT8167914A0 (en) 1981-07-01
DE3224189C2 (en) 1988-06-16
JPH0369379U (en) 1991-07-10
FR2509009B1 (en) 1986-08-22
DE3224189A1 (en) 1983-01-20
FR2509009A1 (en) 1983-01-07
GB2103390A (en) 1983-02-16
IT1144260B (en) 1986-10-29
JPS5821074A (en) 1983-02-07

Similar Documents

Publication Publication Date Title
GB2095862B (en) Fork lift control system
GB2097959B (en) Fork lift control system
GB2095861B (en) Fork lift control system
GB2097553B (en) Fork lift control system
IL61719A (en) Hydraulic control system
GB2110423B (en) Lift group control system
GB2102921B (en) Hydraulic control apparatus
GB8327703D0 (en) Hydraulic control system
GB2103390B (en) Hydraulic system with proportional electrical control
GB2111925B (en) Control system for dual hydraulic power system
GB8332882D0 (en) Hydraulic control system
DE3260888D1 (en) Hydraulic control apparatus
ZA823400B (en) Power-on-demand hydraulic system
GB2099184B (en) Forklift control system
DE3173888D1 (en) Hydraulic control device
IL65021A0 (en) Multiple control system
DE3274280D1 (en) Hydraulic control system
DE3465969D1 (en) Hydraulic system with proportional control
DE3364878D1 (en) Hydraulic control system
GB2100040B (en) Fluid control system
DE3269125D1 (en) Fluid control system
GB2109966B (en) Control systems
DE3268279D1 (en) Hydraulic control means
GB2074759B (en) Hydraulic control system
DE3271342D1 (en) Hydraulic control systems

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940623