DE2639921C2 - - Google Patents
Info
- Publication number
- DE2639921C2 DE2639921C2 DE19762639921 DE2639921A DE2639921C2 DE 2639921 C2 DE2639921 C2 DE 2639921C2 DE 19762639921 DE19762639921 DE 19762639921 DE 2639921 A DE2639921 A DE 2639921A DE 2639921 C2 DE2639921 C2 DE 2639921C2
- Authority
- DE
- Germany
- 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
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/46—Vacuum systems
- B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Check Valves (AREA)
- Braking Systems And Boosters (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762639921 DE2639921A1 (en) | 1976-09-04 | 1976-09-04 | Vacuum servo connected to inlet manifold - has flexible membrane movable between sealing lips and pressure control valve in vent line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762639921 DE2639921A1 (en) | 1976-09-04 | 1976-09-04 | Vacuum servo connected to inlet manifold - has flexible membrane movable between sealing lips and pressure control valve in vent line |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2639921A1 DE2639921A1 (en) | 1978-03-09 |
DE2639921C2 true DE2639921C2 (en) | 1987-01-15 |
Family
ID=5987167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19762639921 Granted DE2639921A1 (en) | 1976-09-04 | 1976-09-04 | Vacuum servo connected to inlet manifold - has flexible membrane movable between sealing lips and pressure control valve in vent line |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2639921A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5711154A (en) * | 1980-06-20 | 1982-01-20 | Nissan Motor Co Ltd | Negative pressure equipment for automobile |
EP0181487A1 (en) * | 1984-11-05 | 1986-05-21 | Allied Corporation | Compact power brake actuation assembly |
US4628959A (en) * | 1985-08-30 | 1986-12-16 | General Motors Corporation | Vacuum check valve |
DE10321560A1 (en) * | 2002-05-16 | 2003-12-24 | Luk Automobiltech Gmbh & Co Kg | Vacuum limiting valve for motor vehicle's brake servo system breaks connection between servo unit and vacuum pump if set underpressure is achieved, with set underpressure acting upon piston against opening force of spring |
FR2864501B1 (en) * | 2003-12-24 | 2007-07-06 | Bosch Gmbh Robert | PNEUMATIC BRAKE ASSIST SERVOMOTOR AND SEAL SLEEVE FOR THIS SERVOMOTOR |
FR2903065B1 (en) * | 2006-06-28 | 2009-05-15 | Peugeot Citroen Automobiles Sa | BRAKE SYSTEM COMPRISING A BRAKE AMPLIFIER WITH A DEPRESSURIZATION VALVE |
DE112007001323A5 (en) * | 2006-07-01 | 2009-03-12 | Ixetic Hückeswagen Gmbh | vacuum pump |
FR2913390B1 (en) | 2007-03-08 | 2009-08-21 | Bosch Gmbh Robert | PNEUMATIC BRAKE ASSIST SERVOMOTOR COMPRISING AN ANCHOR RETURN VALVE FOR EVACUATING INTERNAL PRESSURE. |
FR2935943B1 (en) * | 2008-09-18 | 2010-11-19 | Peugeot Citroen Automobiles Sa | BRAKE DEVICE FOR A MOTOR VEHICLE COMPRISING A BRAKING AMPLIFIER COMPRISING TWO BEDROOMS SUBJECT TO LOW PRESSURE |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3626978A (en) * | 1970-04-27 | 1971-12-14 | Bendix Corp | Check valve |
-
1976
- 1976-09-04 DE DE19762639921 patent/DE2639921A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2639921A1 (en) | 1978-03-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAM | Search report available | ||
OC | Search report available | ||
8110 | Request for examination paragraph 44 | ||
Q176 | Request that utility model be ruled invalid withdrawn |
Ref document number: 2702402 Country of ref document: DE |
|
AG | Has addition no. |
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|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
AG | Has addition no. |
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|
8339 | Ceased/non-payment of the annual fee |