FI803795A7 - A device operating on medium pressure. - Google Patents
A device operating on medium pressure. Download PDFInfo
- Publication number
- FI803795A7 FI803795A7 FI803795A FI803795A FI803795A7 FI 803795 A7 FI803795 A7 FI 803795A7 FI 803795 A FI803795 A FI 803795A FI 803795 A FI803795 A FI 803795A FI 803795 A7 FI803795 A7 FI 803795A7
- Authority
- FI
- Finland
- Prior art keywords
- medium pressure
- device operating
- operating
- medium
- pressure
- 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
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/03—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type with electrical control means
-
- 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
- F15B13/0436—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 of the steerable jet type
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Servomotors (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
- Magnetically Actuated Valves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18991380A | 1980-10-02 | 1980-10-02 | |
| US20521480A | 1980-11-12 | 1980-11-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI803795A7 true FI803795A7 (en) | 1982-04-03 |
| FI803795L FI803795L (en) | 1982-04-03 |
Family
ID=26885598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI803795A FI803795L (en) | 1980-10-02 | 1980-12-05 | MEDICAL INSTRUCTIONS |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0049714B1 (en) |
| FI (1) | FI803795L (en) |
| NO (1) | NO811257L (en) |
| SE (1) | SE8101580L (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561628A (en) * | 1983-08-31 | 1985-12-31 | Tokyo Keiki Company Limited | Electromagnetically operated hydraulic actuator |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE911686C (en) * | 1942-09-10 | 1954-05-17 | Asea Ab | Piston valve or slide with auxiliary control |
| US2930360A (en) * | 1958-03-28 | 1960-03-29 | Yando Stephen | Servo mechanisms |
| DE1188398B (en) * | 1961-09-02 | 1965-03-04 | Siemens Ag | Electro-hydraulic control device |
| FR1487472A (en) * | 1966-05-26 | 1967-07-07 | Charbonnages De France | Hydraulic distributor |
| DE2047525A1 (en) * | 1970-09-26 | 1972-03-30 | Kracht Pumpen Motoren | Control valve with a hydraulic adjustment drive for the control piston |
| DE2213439C3 (en) * | 1972-03-20 | 1978-12-07 | Robert Bosch Gmbh, 7000 Stuttgart | Electro-hydraulic control device |
| DE2219929A1 (en) * | 1972-04-22 | 1973-10-31 | Teves Gmbh Alfred | HYDRAULIC SERVO DEVICE FOR STEERING IN MOTOR VEHICLES |
| DE2232566C2 (en) * | 1972-07-03 | 1984-08-09 | Garbe, Lahmeyer & Co Ag, 5100 Aachen | Hydraulic valve unit incorporating pre-control valve - with vibration of hydraulic fluid via oscillation generator and pulse width regulator |
| DE2461021A1 (en) * | 1974-12-21 | 1976-06-24 | Bosch Gmbh Robert | DEVICE FOR CONTROLLING AT LEAST ONE HYDRAULIC CONTROL DEVICE |
| US3943824A (en) * | 1975-01-22 | 1976-03-16 | Deere & Company | Hydraulic system |
-
1980
- 1980-12-05 FI FI803795A patent/FI803795L/en not_active Application Discontinuation
- 1980-12-23 EP EP80108176A patent/EP0049714B1/en not_active Expired
-
1981
- 1981-03-12 SE SE8101580A patent/SE8101580L/en not_active Application Discontinuation
- 1981-04-10 NO NO811257A patent/NO811257L/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0049714B1 (en) | 1986-04-23 |
| EP0049714A1 (en) | 1982-04-21 |
| SE8101580L (en) | 1982-04-03 |
| NO811257L (en) | 1982-04-05 |
| FI803795L (en) | 1982-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA | Application withdrawn [patent] |
Owner name: BRUNDAGE, ROBERT W. |