SE7408073L - - Google Patents
Info
- Publication number
- SE7408073L SE7408073L SE7408073A SE7408073A SE7408073L SE 7408073 L SE7408073 L SE 7408073L SE 7408073 A SE7408073 A SE 7408073A SE 7408073 A SE7408073 A SE 7408073A SE 7408073 L SE7408073 L SE 7408073L
- Authority
- SE
- Sweden
- Prior art keywords
- spring
- spool
- pilot spool
- june
- pilot
- 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
- F15B9/08—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 controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
-
- 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
-
- 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
- F15B13/16—Special measures for feedback, e.g. by a follow-up device
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH928673A CH556974A (de) | 1973-06-26 | 1973-06-26 | Hydraulisches betaetigungsorgan mit vorsteuerventil. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7408073L true SE7408073L (de) | 1974-12-27 |
| SE410031B SE410031B (sv) | 1979-09-17 |
Family
ID=4350337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7408073A SE410031B (sv) | 1973-06-26 | 1974-06-19 | Hydrauliskt manoverorgan med forstyrningsventil |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT334704B (de) |
| CH (1) | CH556974A (de) |
| DE (1) | DE2428287C2 (de) |
| FR (1) | FR2235300B1 (de) |
| GB (1) | GB1470818A (de) |
| IT (1) | IT1015344B (de) |
| NL (1) | NL7407938A (de) |
| SE (1) | SE410031B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3020918A1 (de) * | 1980-06-03 | 1981-12-10 | Backe, Wolfgang, Prof.Dr.-Ing., 5100 Aachen | Vorgesteuerte vorrichtung zur lastunabhaengigen volumenstromregelung |
| EP0083688B1 (de) * | 1981-09-26 | 1986-08-13 | b a r m a g Barmer Maschinenfabrik Aktiengesellschaft | Elektro-hydraulisch vorgesteuertes Proportionaldrosselventil |
| DE3234988A1 (de) * | 1981-09-26 | 1983-04-14 | Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid | Elektro-hydraulisch vorgesteuertes drosselventil |
| US4794846A (en) * | 1985-02-23 | 1989-01-03 | Barmag Ag | Proportional action valve with a biased spring unproportionately variable to the load pressure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1334999A (fr) * | 1962-06-07 | 1963-08-16 | Rech Etudes Prod | Dispositif de servo-commande hydraulique et son application à une commande de direction d'un avion |
| US3339572A (en) | 1965-01-25 | 1967-09-05 | Carroll G Gordon | Electro-hydraulic servo valve |
| US3464318A (en) | 1966-06-03 | 1969-09-02 | Moog Inc | Servomechanism providing static load error washout |
-
1973
- 1973-06-26 CH CH928673A patent/CH556974A/de not_active IP Right Cessation
-
1974
- 1974-06-12 DE DE19742428287 patent/DE2428287C2/de not_active Expired
- 1974-06-13 NL NL7407938A patent/NL7407938A/xx not_active Application Discontinuation
- 1974-06-17 AT AT499174A patent/AT334704B/de not_active IP Right Cessation
- 1974-06-19 SE SE7408073A patent/SE410031B/xx not_active IP Right Cessation
- 1974-06-24 IT IT2435174A patent/IT1015344B/it active
- 1974-06-25 FR FR7422036A patent/FR2235300B1/fr not_active Expired
- 1974-06-25 GB GB2805474A patent/GB1470818A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT334704B (de) | 1976-02-10 |
| DE2428287C2 (de) | 1986-06-12 |
| FR2235300A1 (de) | 1975-01-24 |
| ATA499174A (de) | 1976-05-15 |
| IT1015344B (it) | 1977-05-10 |
| SE410031B (sv) | 1979-09-17 |
| NL7407938A (de) | 1974-12-30 |
| CH556974A (de) | 1974-12-13 |
| FR2235300B1 (de) | 1979-04-20 |
| DE2428287A1 (de) | 1975-01-16 |
| GB1470818A (en) | 1977-04-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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