DE2234533A1 - Proportional arbeitender kraftverstaerker - Google Patents
Proportional arbeitender kraftverstaerkerInfo
- Publication number
- DE2234533A1 DE2234533A1 DE2234533A DE2234533A DE2234533A1 DE 2234533 A1 DE2234533 A1 DE 2234533A1 DE 2234533 A DE2234533 A DE 2234533A DE 2234533 A DE2234533 A DE 2234533A DE 2234533 A1 DE2234533 A1 DE 2234533A1
- Authority
- DE
- Germany
- Prior art keywords
- chamber
- pressure
- piston
- bore
- spindle valve
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 45
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000012423 maintenance Methods 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 6
- 244000143780 Carya laciniosa Species 0.000 description 2
- 235000012940 Carya laciniosa Nutrition 0.000 description 2
- 244000228957 Ferula foetida Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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)
- Servomotors (AREA)
- Control Of Fluid Pressure (AREA)
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (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 |
|---|---|
| DE2234533A1 true DE2234533A1 (de) | 1973-05-17 |
Family
ID=22725634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2234533A Pending DE2234533A1 (de) | 1971-11-08 | 1972-07-13 | Proportional arbeitender kraftverstaerker |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3961561A (enExample) |
| JP (1) | JPS4857097A (enExample) |
| CA (1) | CA930284A (enExample) |
| DE (1) | DE2234533A1 (enExample) |
| FR (1) | FR2187035A5 (enExample) |
| GB (1) | GB1336525A (enExample) |
| IT (1) | IT948613B (enExample) |
| NL (1) | NL7201871A (enExample) |
| SE (1) | SE381498B (enExample) |
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 |
| AU2016321327B2 (en) * | 2015-09-09 | 2019-04-04 | 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 |
|---|---|
| NL7201871A (enExample) | 1973-05-10 |
| US3961561A (en) | 1976-06-08 |
| CA930284A (en) | 1973-07-17 |
| GB1336525A (en) | 1973-11-07 |
| JPS4857097A (enExample) | 1973-08-10 |
| SE381498B (sv) | 1975-12-08 |
| FR2187035A5 (enExample) | 1974-01-11 |
| IT948613B (it) | 1973-06-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |