IT948613B - Amplificatore di forza proporzio nale - Google Patents
Amplificatore di forza proporzio naleInfo
- Publication number
- IT948613B IT948613B IT48368/72A IT4836872A IT948613B IT 948613 B IT948613 B IT 948613B IT 48368/72 A IT48368/72 A IT 48368/72A IT 4836872 A IT4836872 A IT 4836872A IT 948613 B IT948613 B IT 948613B
- Authority
- IT
- Italy
- Prior art keywords
- force amplifier
- proportional force
- proportional
- amplifier
- force
- 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
- 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)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
- Control Of Fluid Pressure (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Servomotors (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 |
---|---|
IT948613B true IT948613B (it) | 1973-06-11 |
Family
ID=22725634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48368/72A IT948613B (it) | 1971-11-08 | 1972-02-16 | Amplificatore di forza proporzio nale |
Country Status (9)
Country | Link |
---|---|
US (1) | US3961561A (it) |
JP (1) | JPS4857097A (it) |
CA (1) | CA930284A (it) |
DE (1) | DE2234533A1 (it) |
FR (1) | FR2187035A5 (it) |
GB (1) | GB1336525A (it) |
IT (1) | IT948613B (it) |
NL (1) | NL7201871A (it) |
SE (1) | SE381498B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4074531A (en) * | 1974-03-08 | 1978-02-21 | Lamborghini Oleodinamica S.P.A. | Oleodynamic servo control |
US4131055A (en) * | 1977-02-03 | 1978-12-26 | The Bendix Corporation | Noise reducing control valve for a hydraulic brake booster |
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 (en) * | 2015-09-09 | 2021-10-20 | Control Concepts, Inc. | Sanitary high pressure aerator valve assembly |
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
Also Published As
Publication number | Publication date |
---|---|
GB1336525A (en) | 1973-11-07 |
SE381498B (sv) | 1975-12-08 |
DE2234533A1 (de) | 1973-05-17 |
FR2187035A5 (it) | 1974-01-11 |
US3961561A (en) | 1976-06-08 |
CA930284A (en) | 1973-07-17 |
JPS4857097A (it) | 1973-08-10 |
NL7201871A (it) | 1973-05-10 |
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