FR2352972A2 - Perfectionnements aux servo-mecanismes hydrauliques - Google Patents
Perfectionnements aux servo-mecanismes hydrauliquesInfo
- Publication number
- FR2352972A2 FR2352972A2 FR7715925A FR7715925A FR2352972A2 FR 2352972 A2 FR2352972 A2 FR 2352972A2 FR 7715925 A FR7715925 A FR 7715925A FR 7715925 A FR7715925 A FR 7715925A FR 2352972 A2 FR2352972 A2 FR 2352972A2
- Authority
- FR
- France
- Prior art keywords
- mechanisms
- hydraulic servo
- servo
- hydraulic
- 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.)
- Granted
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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Servomotors (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB21672/76A GB1578928A (en) | 1976-05-25 | 1976-05-25 | Servo systems having at least two servo mechanisms |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2352972A2 true FR2352972A2 (fr) | 1977-12-23 |
FR2352972B2 FR2352972B2 (fr) | 1981-05-08 |
Family
ID=10166886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7715925A Granted FR2352972A2 (fr) | 1976-05-25 | 1977-05-25 | Perfectionnements aux servo-mecanismes hydrauliques |
Country Status (4)
Country | Link |
---|---|
US (1) | US4150604A (fr) |
DE (1) | DE2723629C2 (fr) |
FR (1) | FR2352972A2 (fr) |
GB (1) | GB1578928A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0021977A1 (fr) * | 1979-07-03 | 1981-01-07 | S.A.M.M.- Société d'Applications des Machines Motrices | Distributeur hydraulique, destiné notamment à équiper des servo-commandes d'avions et d'hélicoptères |
FR2747174A1 (fr) * | 1996-04-03 | 1997-10-10 | Samm Societe D Applic Des Mach | Distributeur hydraulique pour servocommandes d'aeronefs, notamment helicopteres |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4969387A (en) * | 1988-05-03 | 1990-11-13 | Foster Raymond K | Hydraulic drive unit with single piston rod and plural cylinder bodies |
US4884401A (en) * | 1988-08-30 | 1989-12-05 | Sundstrand Corp. | Three position dual failure shut-off valve system |
US8156960B2 (en) * | 2009-03-27 | 2012-04-17 | Caterpillar Inc. | Servo pressure control valve |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3272062A (en) * | 1965-10-07 | 1966-09-13 | Ltv Electrosystems Inc | Servo valve synchronizer |
US3398647A (en) * | 1966-06-06 | 1968-08-27 | Bell Aerospace Corp | Servo control system utilizing load pressure feedback apparatus |
FR2027538A1 (fr) * | 1968-11-11 | 1970-10-02 | Fairey Hydraulics | |
US3561322A (en) * | 1968-06-04 | 1971-02-09 | Boeing Co | Stability augmentation system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3012577A (en) * | 1959-12-31 | 1961-12-12 | Lear Inc | Double spool flow feedback valve |
-
1976
- 1976-05-25 GB GB21672/76A patent/GB1578928A/en not_active Expired
-
1977
- 1977-05-23 US US05/799,608 patent/US4150604A/en not_active Expired - Lifetime
- 1977-05-25 FR FR7715925A patent/FR2352972A2/fr active Granted
- 1977-05-25 DE DE2723629A patent/DE2723629C2/de not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3272062A (en) * | 1965-10-07 | 1966-09-13 | Ltv Electrosystems Inc | Servo valve synchronizer |
US3398647A (en) * | 1966-06-06 | 1968-08-27 | Bell Aerospace Corp | Servo control system utilizing load pressure feedback apparatus |
US3561322A (en) * | 1968-06-04 | 1971-02-09 | Boeing Co | Stability augmentation system |
FR2027538A1 (fr) * | 1968-11-11 | 1970-10-02 | Fairey Hydraulics |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0021977A1 (fr) * | 1979-07-03 | 1981-01-07 | S.A.M.M.- Société d'Applications des Machines Motrices | Distributeur hydraulique, destiné notamment à équiper des servo-commandes d'avions et d'hélicoptères |
FR2460435A1 (fr) * | 1979-07-03 | 1981-01-23 | Applic Mach Motrices | Distributeur hydraulique, destine notamment a equiper des servo-commandes d'avions et d'helicopteres |
FR2747174A1 (fr) * | 1996-04-03 | 1997-10-10 | Samm Societe D Applic Des Mach | Distributeur hydraulique pour servocommandes d'aeronefs, notamment helicopteres |
EP0801232A1 (fr) * | 1996-04-03 | 1997-10-15 | S.A.M.M.- Société d'Applications des Machines Motrices | Distributeur hydraulique pour servocommandes d'aéronefs, notamment hélicoptères |
US5899226A (en) * | 1996-04-03 | 1999-05-04 | S.A.M.M.--Societe D'Applications Des Machines Motrices | Hydraulic directional valve for servocontrols of aircraft in particular helicopters |
Also Published As
Publication number | Publication date |
---|---|
US4150604A (en) | 1979-04-24 |
FR2352972B2 (fr) | 1981-05-08 |
GB1578928A (en) | 1980-11-12 |
DE2723629A1 (de) | 1977-12-15 |
DE2723629C2 (de) | 1985-12-05 |
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