IT1144260B - Sistema idraulico a pilotaggio elettrico proporzionale - Google Patents

Sistema idraulico a pilotaggio elettrico proporzionale

Info

Publication number
IT1144260B
IT1144260B IT67914/81A IT6791481A IT1144260B IT 1144260 B IT1144260 B IT 1144260B IT 67914/81 A IT67914/81 A IT 67914/81A IT 6791481 A IT6791481 A IT 6791481A IT 1144260 B IT1144260 B IT 1144260B
Authority
IT
Italy
Prior art keywords
hydraulic system
pilot hydraulic
proportional electric
electric pilot
proportional
Prior art date
Application number
IT67914/81A
Other languages
English (en)
Other versions
IT8167914A0 (it
Inventor
Giulio Dotti
Luciano Moretti
Ugo Costelli
Original Assignee
Fiat Ricerche
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 Fiat Ricerche filed Critical Fiat Ricerche
Priority to IT67914/81A priority Critical patent/IT1144260B/it
Publication of IT8167914A0 publication Critical patent/IT8167914A0/it
Priority to GB08218210A priority patent/GB2103390B/en
Priority to DE19823224189 priority patent/DE3224189A1/de
Priority to FR8211492A priority patent/FR2509009B1/fr
Priority to JP57113801A priority patent/JPS5821074A/ja
Application granted granted Critical
Publication of IT1144260B publication Critical patent/IT1144260B/it
Priority to JP1990111563U priority patent/JPH0369379U/ja

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)
IT67914/81A 1981-07-01 1981-07-01 Sistema idraulico a pilotaggio elettrico proporzionale IT1144260B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT67914/81A IT1144260B (it) 1981-07-01 1981-07-01 Sistema idraulico a pilotaggio elettrico proporzionale
GB08218210A GB2103390B (en) 1981-07-01 1982-06-23 Hydraulic system with proportional electrical control
DE19823224189 DE3224189A1 (de) 1981-07-01 1982-06-29 Hydraulisches system mit elektrischer proportionalsteuerung
FR8211492A FR2509009B1 (fr) 1981-07-01 1982-06-30 Circuit hydraulique a commande electrique proportionnelle
JP57113801A JPS5821074A (ja) 1981-07-01 1982-06-30 電気的な比例制御を行う液圧装置
JP1990111563U JPH0369379U (it) 1981-07-01 1990-10-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67914/81A IT1144260B (it) 1981-07-01 1981-07-01 Sistema idraulico a pilotaggio elettrico proporzionale

Publications (2)

Publication Number Publication Date
IT8167914A0 IT8167914A0 (it) 1981-07-01
IT1144260B true IT1144260B (it) 1986-10-29

Family

ID=11306327

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67914/81A IT1144260B (it) 1981-07-01 1981-07-01 Sistema idraulico a pilotaggio elettrico proporzionale

Country Status (5)

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

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60175884A (ja) * 1984-02-07 1985-09-10 シ−ルド・パワ−・コ−ポレ−シヨン ソレノイドバルブ
DE3443079A1 (de) * 1984-07-21 1986-01-30 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Ventileinrichtung
DE3427033A1 (de) * 1984-07-21 1986-01-23 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Ventileinrichtung
JPS6166276U (it) * 1984-10-08 1986-05-07
DE3442750A1 (de) * 1984-11-23 1986-05-28 Robert Bosch Gmbh, 7000 Stuttgart Magnetventil zur fluidsteuerung
DE3714337C2 (de) * 1987-04-29 1997-03-20 Rexroth Mannesmann Gmbh Servoventil mit Piezoansteuerung sowie piezoelektrischer Steuermotor
JPS6457472U (it) * 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
GB2274216B (en) * 1993-01-04 1996-08-07 Aro Corp Pressure fluid device
JP2721117B2 (ja) * 1993-02-23 1998-03-04 ステリス コーポレイション ロックメカニズム、該ロックメカニズムを備えたシステム及び該ロックメカニズムを備えた除菌システム
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 (ja) * 2007-07-05 2012-03-14 東京戸張株式会社 乗越防止柵

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 (de) * 1969-05-20 1970-11-26 Flight Refuelling Ltd., London Solenoidbetätigtes Strömungsmediumventil, insbesondere für hydraulische Hochdruckkreise von Flugzeugen
JPS4834246A (it) * 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 (it) * 1974-03-21 1980-01-11
DE2439271A1 (de) * 1974-08-16 1976-03-11 Herion Werke Kg Durchgangsmagnetventil
JPS5179024A (ja) * 1974-12-27 1976-07-09 Rexroth Gmbh G L Jishakuchosetsushikiatsuryokuben

Also Published As

Publication number Publication date
IT8167914A0 (it) 1981-07-01
GB2103390B (en) 1984-11-28
DE3224189C2 (it) 1988-06-16
FR2509009B1 (fr) 1986-08-22
GB2103390A (en) 1983-02-16
JPS5821074A (ja) 1983-02-07
DE3224189A1 (de) 1983-01-20
JPH0369379U (it) 1991-07-10
FR2509009A1 (fr) 1983-01-07

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