GB1364158A - Vacuum servo drive - Google Patents
Vacuum servo driveInfo
- Publication number
- GB1364158A GB1364158A GB5389472A GB5389472A GB1364158A GB 1364158 A GB1364158 A GB 1364158A GB 5389472 A GB5389472 A GB 5389472A GB 5389472 A GB5389472 A GB 5389472A GB 1364158 A GB1364158 A GB 1364158A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vacuum
- capsule
- cylinder
- port
- diaphragm
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00421—Driving arrangements for parts of a vehicle air-conditioning
- B60H1/00435—Driving arrangements for parts of a vehicle air-conditioning fluid or pneumatic
- B60H1/00442—Driving arrangements for parts of a vehicle air-conditioning fluid or pneumatic using a vacuum
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
- F15B11/12—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action
- F15B11/121—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions
- F15B11/123—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor providing distinct intermediate positions; with step-by-step action providing distinct intermediate positions by means of actuators with fluid-operated stops
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2158786A DE2158786A1 (de) | 1971-11-26 | 1971-11-26 | Unterdruck-stellantrieb |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1364158A true GB1364158A (en) | 1974-08-21 |
Family
ID=5826289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5389472A Expired GB1364158A (en) | 1971-11-26 | 1972-11-22 | Vacuum servo drive |
Country Status (5)
Country | Link |
---|---|
US (1) | US3824903A (de) |
DE (1) | DE2158786A1 (de) |
FR (1) | FR2160964B1 (de) |
GB (1) | GB1364158A (de) |
IT (1) | IT971209B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5292031A (en) * | 1976-01-28 | 1977-08-03 | Hitachi Ltd | Negative pressure reactor |
JPS52122758A (en) * | 1976-04-07 | 1977-10-15 | Daicel Chem Ind Ltd | Diaphgram for pressure regulator and preparation |
DE2640561A1 (de) * | 1976-09-09 | 1978-03-16 | Daimler Benz Ag | Druckmittelbetriebener stellantrieb |
US4181065A (en) * | 1977-03-11 | 1980-01-01 | Schmelzer Corporation | Two stage vacuum break |
JPS6228534Y2 (de) * | 1981-01-28 | 1987-07-22 | ||
FR2546984B1 (fr) * | 1983-06-03 | 1987-09-25 | Valeo | Dispositif a commande par depression pour le deplacement d'un element entre au moins trois positions |
US4831915A (en) * | 1986-12-15 | 1989-05-23 | Maremont Corporation | Dual diaphragm three position actuator |
US6003433A (en) * | 1998-02-10 | 1999-12-21 | Holland Neway International, Inc. | Tamper-resistant brake actuator |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3081134A (en) * | 1960-06-02 | 1963-03-12 | Neway Equipment Co | Operating structure for air brakes and the like |
US3090359A (en) * | 1960-12-05 | 1963-05-21 | Transp Ind Inc | Double air chamber brake cylinder |
US3683753A (en) * | 1971-02-09 | 1972-08-15 | Avm Corp | Dual diaphragm short travel actuator |
-
1971
- 1971-11-26 DE DE2158786A patent/DE2158786A1/de active Pending
-
1972
- 1972-11-21 US US00308462A patent/US3824903A/en not_active Expired - Lifetime
- 1972-11-22 GB GB5389472A patent/GB1364158A/en not_active Expired
- 1972-11-22 FR FR7241487A patent/FR2160964B1/fr not_active Expired
- 1972-11-24 IT IT32092/72A patent/IT971209B/it active
Also Published As
Publication number | Publication date |
---|---|
US3824903A (en) | 1974-07-23 |
FR2160964A1 (de) | 1973-07-06 |
DE2158786A1 (de) | 1973-05-30 |
IT971209B (it) | 1974-04-30 |
FR2160964B1 (de) | 1976-08-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1010489B (it) | Valvola di controllo direzionale azionata a pressione | |
GB1364158A (en) | Vacuum servo drive | |
BR7205811D0 (pt) | Uma valvula de controle direcional com compressao de pressao | |
AU462346B2 (en) | A control valve ina pressure fluid operated tool | |
IT969916B (it) | Valvola limitatrice di pressione a comando preliminare | |
CA943433A (en) | Valve mechanism for throttling a flowing fluid | |
CA937481A (en) | Fluid control valve | |
CA869827A (en) | Fluid pressure control valve | |
CA865576A (en) | Fluid actuated control valve | |
CA961732A (en) | Valve for use on a bleed nipple | |
CA946705A (en) | Fluid pressure regulating valves | |
CA837378A (en) | Fluid pressure control valve | |
AU154637B2 (en) | A fluid pressure control valve | |
CA860072A (en) | Directional control valve | |
AU3074971A (en) | Improved pressure control valve | |
AU466141B2 (en) | Electromagnetically controlled fluid operating valve | |
AU465979B2 (en) | Flow direction control valve | |
AU306551A (en) | A fluid pressure control valve | |
AU5011872A (en) | Electromagnetically controlled fluid operating valve | |
CA911301A (en) | Fluid actuated piston valve | |
CA883068A (en) | Fluid control valves | |
AU3403271A (en) | Back pressure valve | |
CA875443A (en) | Fluid control valve assembly | |
AU434927B2 (en) | A fluid pressure control valve | |
CA878878A (en) | Pressure regulating valve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |