IT1144395B - Valvola elettroidraulica di controllo della pressione - Google Patents

Valvola elettroidraulica di controllo della pressione

Info

Publication number
IT1144395B
IT1144395B IT67991/81A IT6799181A IT1144395B IT 1144395 B IT1144395 B IT 1144395B IT 67991/81 A IT67991/81 A IT 67991/81A IT 6799181 A IT6799181 A IT 6799181A IT 1144395 B IT1144395 B IT 1144395B
Authority
IT
Italy
Prior art keywords
control valve
pressure control
electrohydraulic pressure
electrohydraulic
valve
Prior art date
Application number
IT67991/81A
Other languages
English (en)
Other versions
IT8167991A0 (it
Inventor
Giulio Dotti
Luciano Moretti
Original Assignee
Fiat Auto Spa
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 Auto Spa filed Critical Fiat Auto Spa
Priority to IT67991/81A priority Critical patent/IT1144395B/it
Publication of IT8167991A0 publication Critical patent/IT8167991A0/it
Priority to GB08219794A priority patent/GB2102158B/en
Priority to DE8220406U priority patent/DE8220406U1/de
Priority to FR8212487A priority patent/FR2509829B1/fr
Priority to DE19823226735 priority patent/DE3226735A1/de
Application granted granted Critical
Publication of IT1144395B publication Critical patent/IT1144395B/it

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
    • F15B13/0433—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 pressure control valves
    • 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
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G05D16/2024—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means the throttling means being a multiple-way valve
    • 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
IT67991/81A 1981-07-17 1981-07-17 Valvola elettroidraulica di controllo della pressione IT1144395B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT67991/81A IT1144395B (it) 1981-07-17 1981-07-17 Valvola elettroidraulica di controllo della pressione
GB08219794A GB2102158B (en) 1981-07-17 1982-07-08 A solenoid operated pressure control valve
DE8220406U DE8220406U1 (de) 1981-07-17 1982-07-16 Solenoid-betätigtes Druckregelventil
FR8212487A FR2509829B1 (fr) 1981-07-17 1982-07-16 Regulateur de pression a commande par solenoide
DE19823226735 DE3226735A1 (de) 1981-07-17 1982-07-16 Solenoid-betaetigtes druckregelventil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67991/81A IT1144395B (it) 1981-07-17 1981-07-17 Valvola elettroidraulica di controllo della pressione

Publications (2)

Publication Number Publication Date
IT8167991A0 IT8167991A0 (it) 1981-07-17
IT1144395B true IT1144395B (it) 1986-10-29

Family

ID=11307008

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67991/81A IT1144395B (it) 1981-07-17 1981-07-17 Valvola elettroidraulica di controllo della pressione

Country Status (4)

Country Link
DE (2) DE3226735A1 (it)
FR (1) FR2509829B1 (it)
GB (1) GB2102158B (it)
IT (1) IT1144395B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3323363A1 (de) * 1983-06-29 1985-01-10 Mannesmann Rexroth GmbH, 8770 Lohr Vorgesteuertes druckreduzierventil
DE3505377C2 (de) * 1985-02-16 1994-07-07 Bosch Gmbh Robert Druckregler
US4617968A (en) * 1985-04-04 1986-10-21 Sealed Power Corporation Electrohydraulic control of a spool valve for energizing a heavy duty automatic transmission clutch
EP0229841B1 (en) * 1985-06-12 1993-04-21 Daikin Industries, Limited Reducing valve
US4741364A (en) * 1987-06-12 1988-05-03 Deere & Company Pilot-operated valve with load pressure feedback
JPH0544626Y2 (it) * 1988-05-25 1993-11-12
DE69023793T2 (de) * 1989-04-04 1996-06-13 Aisin Seiki Druckregelventil.
US5067687A (en) * 1990-02-08 1991-11-26 Applied Power Inc. Proportional pressure control valve
US5069420A (en) * 1990-02-08 1991-12-03 Applied Power Inc. Proportional pressure control valve
US5836335A (en) 1991-08-19 1998-11-17 Fluid Power Industries, Inc. Proportional pressure control valve
US6796329B1 (en) * 2002-01-23 2004-09-28 Trans-A-Matic Compact fluid pressure control valve solenoid with pilot or gate valve
EP1719032A1 (en) 2004-02-24 2006-11-08 Parker-Hannifin Corporation Proportional pressure control valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2984251A (en) * 1957-12-23 1961-05-16 Lear Inc Pressure regulator
DE2813618A1 (de) * 1978-03-30 1979-10-04 Bosch Gmbh Robert Elektromagnetisch betaetigtes druckregelventil
DE2949922C2 (de) * 1979-12-12 1986-08-21 Mannesmann Rexroth GmbH, 8770 Lohr Vorgesteuertes Druckminderventil
IT1129059B (it) * 1980-01-23 1986-06-04 Fiat Ricerche Valvola regolatrice di pressione per un circuito idraulico aperto

Also Published As

Publication number Publication date
DE8220406U1 (de) 1985-05-02
IT8167991A0 (it) 1981-07-17
FR2509829A1 (fr) 1983-01-21
FR2509829B1 (fr) 1986-04-04
DE3226735A1 (de) 1983-02-10
GB2102158B (en) 1985-04-11
GB2102158A (en) 1983-01-26

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