IT8167991A0 - Valvola elettroidraulica di controllo della pressione - Google Patents
Valvola elettroidraulica di controllo della pressioneInfo
- Publication number
- IT8167991A0 IT8167991A0 IT8167991A IT6799181A IT8167991A0 IT 8167991 A0 IT8167991 A0 IT 8167991A0 IT 8167991 A IT8167991 A IT 8167991A IT 6799181 A IT6799181 A IT 6799181A IT 8167991 A0 IT8167991 A0 IT 8167991A0
- Authority
- IT
- Italy
- Prior art keywords
- control valve
- pressure control
- electrohydraulic pressure
- electrohydraulic
- valve
- Prior art date
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
- Magnetically Actuated Valves (AREA)
- Control Of Fluid Pressure (AREA)
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 |
FR8212487A FR2509829B1 (fr) | 1981-07-17 | 1982-07-16 | Regulateur de pression a commande par solenoide |
DE8220406U DE8220406U1 (de) | 1981-07-17 | 1982-07-16 | Solenoid-betätigtes Druckregelventil |
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 true IT8167991A0 (it) | 1981-07-17 |
IT1144395B 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) | DE8220406U1 (it) |
FR (1) | FR2509829B1 (it) |
GB (1) | GB2102158B (it) |
IT (1) | IT1144395B (it) |
Families Citing this family (12)
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 |
US4785849A (en) * | 1985-06-12 | 1988-11-22 | Daikin Industries Ltd. | Pressure reducing valve assembly |
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 |
WO2005083542A1 (en) | 2004-02-24 | 2005-09-09 | Parker-Hannifin Corporation | Proportional pressure control valve |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2984251A (en) * | 1957-12-23 | 1961-05-16 | Lear Inc | Pressure regulator |
DE2813618C2 (de) * | 1978-03-30 | 1987-01-15 | Robert Bosch Gmbh, 7000 Stuttgart | Elektromagnetisch betätigtes 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 |
-
1981
- 1981-07-17 IT IT67991/81A patent/IT1144395B/it active
-
1982
- 1982-07-08 GB GB08219794A patent/GB2102158B/en not_active Expired
- 1982-07-16 DE DE8220406U patent/DE8220406U1/de not_active Expired
- 1982-07-16 DE DE19823226735 patent/DE3226735A1/de not_active Ceased
- 1982-07-16 FR FR8212487A patent/FR2509829B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2102158B (en) | 1985-04-11 |
DE8220406U1 (de) | 1985-05-02 |
FR2509829B1 (fr) | 1986-04-04 |
GB2102158A (en) | 1983-01-26 |
FR2509829A1 (fr) | 1983-01-21 |
IT1144395B (it) | 1986-10-29 |
DE3226735A1 (de) | 1983-02-10 |
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