FR2439319B1 - - Google Patents
Info
- Publication number
- FR2439319B1 FR2439319B1 FR7925684A FR7925684A FR2439319B1 FR 2439319 B1 FR2439319 B1 FR 2439319B1 FR 7925684 A FR7925684 A FR 7925684A FR 7925684 A FR7925684 A FR 7925684A FR 2439319 B1 FR2439319 B1 FR 2439319B1
- Authority
- FR
- France
- 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.)
- Expired
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
- F15B9/12—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 in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing
-
- 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
- F15B9/14—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 rotary servomotors
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/952,029 US4249453A (en) | 1978-10-16 | 1978-10-16 | Fluidic motor actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2439319A1 FR2439319A1 (fr) | 1980-05-16 |
| FR2439319B1 true FR2439319B1 (fr) | 1981-06-12 |
Family
ID=25492509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7925684A Granted FR2439319A1 (fr) | 1978-10-16 | 1979-10-16 | Dispositif de commande pour moteur a pression de fluide |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4249453A (fr) |
| JP (1) | JPS5557751A (fr) |
| CA (1) | CA1130664A (fr) |
| DE (1) | DE2941610A1 (fr) |
| FR (1) | FR2439319A1 (fr) |
| GB (1) | GB2032651B (fr) |
| SE (1) | SE439665B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3142583C2 (de) * | 1981-10-27 | 1986-01-30 | Klemens 4230 Wesel Milde | Stellantrieb |
| US4449442A (en) * | 1982-01-05 | 1984-05-22 | Sundstrand Corporation | Hydraulic valve control and feedback utilizing a harmonic drive differential |
| GB2244570B (en) * | 1990-05-29 | 1993-12-01 | Desoutter Ltd | Controllable drive apparatus |
| US5388471A (en) * | 1993-10-12 | 1995-02-14 | Alliedsignal Inc. | Thrust bearing for an actuator driving a sensor device |
| KR100425344B1 (ko) * | 2001-07-06 | 2004-03-30 | 삼성전자주식회사 | 두개의 회전체를 이용한 직선 운동 장치 |
| US11015728B2 (en) | 2016-08-04 | 2021-05-25 | Woodward, Inc. | Stepper motor driven proportional rotary actuator |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE468278A (fr) * | 1939-06-09 | |||
| US2566945A (en) * | 1944-08-12 | 1951-09-04 | Westinghouse Freins & Signaux | Apparatus for the electrical control of railway track switches |
| US2886008A (en) * | 1953-08-03 | 1959-05-12 | Gen Motors Corp | Locking actuator and valve mechanism therefor |
| US2976471A (en) * | 1959-01-22 | 1961-03-21 | John L Harris | Control device |
| FR1255161A (fr) * | 1960-03-23 | 1961-03-03 | Bendix Aviat Corp | Appareil pour combiner des signaux de contrôle |
| US3209537A (en) * | 1960-05-02 | 1965-10-05 | Bendix Corp | Motive fluid control for a re-expansion gas turbine engine |
| US3486518A (en) * | 1964-06-15 | 1969-12-30 | Bendix Corp | Control apparatus utilizing pure fluid logic control and nutating stepping motor |
| FR1579551A (fr) * | 1968-04-02 | 1969-08-29 | ||
| DE2110868A1 (de) * | 1971-03-08 | 1972-09-21 | Alois Moosmann | Druckmittelsteuerung fuer eine Druckmittelservoturbine fuer Einstell- oder Regeleinrichtungen,insbesondere fuer hochempfindliche Servoturbinen an Werkzeugmaschinen |
| US3703027A (en) * | 1971-04-01 | 1972-11-21 | Gray & Co G A | Turret indexing assembly |
| IT975221B (it) * | 1972-10-11 | 1974-07-20 | Consiglio Nazionale Ricerche | Motore passo passo elettroidraulico di potenza particolarmente per mac chine utensili a controllo numerico |
| GB1451644A (fr) * | 1972-12-20 | 1976-10-06 | ||
| GB1513370A (en) * | 1974-07-30 | 1978-06-07 | Lucas Industries Ltd | Fluid-pressure operated actuator arrangements |
| US4012964A (en) * | 1975-02-14 | 1977-03-22 | Yuan Ho Lee | Intermittent rotary mechanism |
| US4178836A (en) * | 1977-02-08 | 1979-12-18 | Canron Inc. | Mechanical hydro servo valve |
-
1978
- 1978-10-16 US US05/952,029 patent/US4249453A/en not_active Expired - Lifetime
-
1979
- 1979-10-02 GB GB7934213A patent/GB2032651B/en not_active Expired
- 1979-10-04 CA CA337,016A patent/CA1130664A/fr not_active Expired
- 1979-10-13 DE DE19792941610 patent/DE2941610A1/de not_active Ceased
- 1979-10-15 SE SE7908519A patent/SE439665B/sv not_active IP Right Cessation
- 1979-10-16 FR FR7925684A patent/FR2439319A1/fr active Granted
- 1979-10-16 JP JP13348979A patent/JPS5557751A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4249453A (en) | 1981-02-10 |
| CA1130664A (fr) | 1982-08-31 |
| JPS5557751A (en) | 1980-04-28 |
| GB2032651B (en) | 1982-10-20 |
| SE439665B (sv) | 1985-06-24 |
| GB2032651A (en) | 1980-05-08 |
| SE7908519L (sv) | 1980-04-17 |
| DE2941610A1 (de) | 1980-04-30 |
| FR2439319A1 (fr) | 1980-05-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |