FR2187035A5 - - Google Patents
Info
- Publication number
- FR2187035A5 FR2187035A5 FR7208877A FR7208877A FR2187035A5 FR 2187035 A5 FR2187035 A5 FR 2187035A5 FR 7208877 A FR7208877 A FR 7208877A FR 7208877 A FR7208877 A FR 7208877A FR 2187035 A5 FR2187035 A5 FR 2187035A5
- 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
- F15B9/10—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 the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Servomotors (AREA)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
- Control Of Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/196,495 US3961561A (en) | 1971-11-08 | 1971-11-08 | Proportional force amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2187035A5 true FR2187035A5 (fr) | 1974-01-11 |
Family
ID=22725634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7208877A Expired FR2187035A5 (fr) | 1971-11-08 | 1972-03-14 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3961561A (fr) |
JP (1) | JPS4857097A (fr) |
CA (1) | CA930284A (fr) |
DE (1) | DE2234533A1 (fr) |
FR (1) | FR2187035A5 (fr) |
GB (1) | GB1336525A (fr) |
IT (1) | IT948613B (fr) |
NL (1) | NL7201871A (fr) |
SE (1) | SE381498B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2379717A1 (fr) * | 1977-02-03 | 1978-09-01 | Bendix Corp | Valve de commande pour amplificateur hydraulique de freinage |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4074531A (en) * | 1974-03-08 | 1978-02-21 | Lamborghini Oleodinamica S.P.A. | Oleodynamic servo control |
GB2104605B (en) * | 1981-07-04 | 1985-03-06 | Lucas Ind Plc | Hydraulic boosters for vehicle braking systems |
US4907492A (en) * | 1987-06-16 | 1990-03-13 | Sig Schweizerische Industrie-Gesellschaft | Apertured valve disposed in hollow piston rod of follower-type motor |
US4823677A (en) * | 1988-01-19 | 1989-04-25 | General Electric Company | Brake power assist servomotor |
DE4007648A1 (de) * | 1990-03-10 | 1991-09-12 | Friedhelm Dr Ing Schnuerle | Pneumatische oder hydraulische kolben-zylinder-einheit mit servosteuerung |
DE102009005998B4 (de) * | 2009-01-23 | 2012-12-27 | Voith Patent Gmbh | Hydraulische Antriebsvorrichtung mit zwei Druckräumen und Verfahren zum Betreiben einer hydraulischen Antriebsvorrichtung mit zwei Druckräumen |
EP3347632B1 (fr) * | 2015-09-09 | 2021-10-20 | Control Concepts, Inc. | Ensemble soupape d'aération sanitaire haute pression |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US773365A (en) * | 1904-03-03 | 1904-10-25 | Charles Henry Atkins | Fluid-pressure motor. |
US1533767A (en) * | 1924-09-12 | 1925-04-14 | Westinghouse Electric & Mfg Co | Governor |
US1950474A (en) * | 1929-10-02 | 1934-03-13 | Velvet Power Brake Company | Vacuum brake |
US2007423A (en) * | 1933-04-10 | 1935-07-09 | Francis W Davis | Double acting servomotor |
US2349804A (en) * | 1942-01-23 | 1944-05-30 | Baldwin Locomotive Works | Servomotor |
US2602437A (en) * | 1946-04-29 | 1952-07-08 | Jones & Lamson Mach Co | Hydraulic profiler for truing devices and the like |
US2651316A (en) * | 1949-04-12 | 1953-09-08 | R D Fageol Company | Speed responsive governor for internal-combustion engines |
US2681043A (en) * | 1949-12-30 | 1954-06-15 | Mcdonnell Aircraft Corp | Hydraulic power servomotor control |
FR1215639A (fr) * | 1957-10-26 | 1960-04-20 | Eickhoff Geb | Dispositif pour le réglage de la vitesse d'avance de haveuses ou de machines analogues pour exploitations minières |
US2979080A (en) * | 1959-01-29 | 1961-04-11 | Westinghouse Air Brake Co | Valve device with annular resilient valving elements |
US3017750A (en) * | 1959-07-13 | 1962-01-23 | Dowty Hydraulic Units Ltd | Hydraulic apparatus |
FR1240572A (fr) * | 1959-07-27 | 1960-09-09 | Dispositif hydraulique asservi | |
US3145624A (en) * | 1961-09-29 | 1964-08-25 | Caterpillar Tractor Co | Double acting hydraulic servo governor |
US3148592A (en) * | 1963-05-27 | 1964-09-15 | Gen Motors Corp | Hydraulic brake booster |
US3390612A (en) * | 1965-07-06 | 1968-07-02 | Chandler Evans Inc | Dual stroke actuator |
US3465645A (en) * | 1966-09-16 | 1969-09-09 | Renault | Power assisted steering systems of automotive vehicles |
-
1971
- 1971-11-08 US US05/196,495 patent/US3961561A/en not_active Expired - Lifetime
-
1972
- 1972-02-10 CA CA134463A patent/CA930284A/en not_active Expired
- 1972-02-11 SE SE7201618A patent/SE381498B/xx unknown
- 1972-02-11 NL NL7201871A patent/NL7201871A/xx unknown
- 1972-02-16 IT IT48368/72A patent/IT948613B/it active
- 1972-03-14 FR FR7208877A patent/FR2187035A5/fr not_active Expired
- 1972-05-03 GB GB2067072A patent/GB1336525A/en not_active Expired
- 1972-05-11 JP JP47046016A patent/JPS4857097A/ja active Pending
- 1972-07-13 DE DE2234533A patent/DE2234533A1/de active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2379717A1 (fr) * | 1977-02-03 | 1978-09-01 | Bendix Corp | Valve de commande pour amplificateur hydraulique de freinage |
Also Published As
Publication number | Publication date |
---|---|
IT948613B (it) | 1973-06-11 |
GB1336525A (en) | 1973-11-07 |
JPS4857097A (fr) | 1973-08-10 |
SE381498B (sv) | 1975-12-08 |
DE2234533A1 (de) | 1973-05-17 |
US3961561A (en) | 1976-06-08 |
NL7201871A (fr) | 1973-05-10 |
CA930284A (en) | 1973-07-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |