JPS5821074A - 電気的な比例制御を行う液圧装置 - Google Patents

電気的な比例制御を行う液圧装置

Info

Publication number
JPS5821074A
JPS5821074A JP57113801A JP11380182A JPS5821074A JP S5821074 A JPS5821074 A JP S5821074A JP 57113801 A JP57113801 A JP 57113801A JP 11380182 A JP11380182 A JP 11380182A JP S5821074 A JPS5821074 A JP S5821074A
Authority
JP
Japan
Prior art keywords
hydraulic device
duct
chamber
movable core
pilot
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.)
Pending
Application number
JP57113801A
Other languages
English (en)
Japanese (ja)
Inventor
ギウリオ・ドツテイ
ルシア−ノ・モレツテイ
ウゴ・コステリ
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 JPS5821074A publication Critical patent/JPS5821074A/ja
Pending 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)
JP57113801A 1981-07-01 1982-06-30 電気的な比例制御を行う液圧装置 Pending JPS5821074A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT67914A/81 1981-07-01
IT67914/81A IT1144260B (it) 1981-07-01 1981-07-01 Sistema idraulico a pilotaggio elettrico proporzionale

Publications (1)

Publication Number Publication Date
JPS5821074A true JPS5821074A (ja) 1983-02-07

Family

ID=11306327

Family Applications (2)

Application Number Title Priority Date Filing Date
JP57113801A Pending JPS5821074A (ja) 1981-07-01 1982-06-30 電気的な比例制御を行う液圧装置
JP1990111563U Pending JPH0369379U (enrdf_load_stackoverflow) 1981-07-01 1990-10-24

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP1990111563U Pending JPH0369379U (enrdf_load_stackoverflow) 1981-07-01 1990-10-24

Country Status (5)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6166276U (enrdf_load_stackoverflow) * 1984-10-08 1986-05-07
JPS6457472U (enrdf_load_stackoverflow) * 1987-10-05 1989-04-10
JPH06248840A (ja) * 1993-02-23 1994-09-06 Steris Corp オーバセンターカム駆動のロックメカニズム

Families Citing this family (12)

* 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
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
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
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834246A (enrdf_load_stackoverflow) * 1971-09-06 1973-05-17
JPS5179024A (ja) * 1974-12-27 1976-07-09 Rexroth Gmbh G L Jishakuchosetsushikiatsuryokuben
US3983909A (en) * 1973-12-14 1976-10-05 Societe Anonyme D.B.A. Three-way solenoid valve
JPS551005B2 (enrdf_load_stackoverflow) * 1974-03-21 1980-01-11

Family Cites Families (7)

* 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
US3861644A (en) * 1973-10-09 1975-01-21 Gen Motors Corp Solenoid valve
DE2439271A1 (de) * 1974-08-16 1976-03-11 Herion Werke Kg Durchgangsmagnetventil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4834246A (enrdf_load_stackoverflow) * 1971-09-06 1973-05-17
US3983909A (en) * 1973-12-14 1976-10-05 Societe Anonyme D.B.A. Three-way solenoid valve
JPS551005B2 (enrdf_load_stackoverflow) * 1974-03-21 1980-01-11
JPS5179024A (ja) * 1974-12-27 1976-07-09 Rexroth Gmbh G L Jishakuchosetsushikiatsuryokuben

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6166276U (enrdf_load_stackoverflow) * 1984-10-08 1986-05-07
JPS6457472U (enrdf_load_stackoverflow) * 1987-10-05 1989-04-10
JPH06248840A (ja) * 1993-02-23 1994-09-06 Steris Corp オーバセンターカム駆動のロックメカニズム

Also Published As

Publication number Publication date
GB2103390A (en) 1983-02-16
IT8167914A0 (it) 1981-07-01
JPH0369379U (enrdf_load_stackoverflow) 1991-07-10
GB2103390B (en) 1984-11-28
FR2509009B1 (fr) 1986-08-22
IT1144260B (it) 1986-10-29
DE3224189C2 (enrdf_load_stackoverflow) 1988-06-16
FR2509009A1 (fr) 1983-01-07
DE3224189A1 (de) 1983-01-20

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