GB1363242A - Brake boosters - Google Patents
Brake boostersInfo
- Publication number
- GB1363242A GB1363242A GB4876271A GB4876271A GB1363242A GB 1363242 A GB1363242 A GB 1363242A GB 4876271 A GB4876271 A GB 4876271A GB 4876271 A GB4876271 A GB 4876271A GB 1363242 A GB1363242 A GB 1363242A
- Authority
- GB
- United Kingdom
- Prior art keywords
- seat
- valve
- annular
- feb
- push
- 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
- 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
- B60T13/57—Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of control valves
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
1363242 Fluid-pressure brake boosters AUTOMOTIVE PRODUCTS Ltd 17 Feb 1972 [24 Feb 1971] 48762/71 Divided out of 1363241 Heading F2F In a brake booster with a casing 20 divided by a movable wall 25 and having a pedal-operated push-rod 12 and a valve arrangement including an annular valve member 41 having a central aperture through which the push-rod extends and annular valve seats 50, 52 the diameter of one seat 50 is less than that of the other seat 52 and the valve member 41 includes an annular projection 42 which is a sliding fit in a ring 43 whose aperture diameter is equal to that of valve seat 52. The arrangement is such that in use the fluid pressures acting on the member 41 are balanced when the latter is engaged with seat 52 to prevent communication between annular cavity 51 and the compartment connected to vacuum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4876271A GB1363242A (en) | 1972-02-17 | 1972-02-17 | Brake boosters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4876271A GB1363242A (en) | 1972-02-17 | 1972-02-17 | Brake boosters |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1363242A true GB1363242A (en) | 1974-08-14 |
Family
ID=10449819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4876271A Expired GB1363242A (en) | 1972-02-17 | 1972-02-17 | Brake boosters |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1363242A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2446748A1 (en) * | 1979-01-17 | 1980-08-14 | Nissan Motor | HYDRAULIC AMPLIFIER MECHANISM, PARTICULARLY FOR A MOTOR VEHICLE BRAKING SYSTEM |
US4358990A (en) * | 1978-08-31 | 1982-11-16 | Nissin Kogyo Kabushiki Kaisha | Negative pressure booster |
-
1972
- 1972-02-17 GB GB4876271A patent/GB1363242A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4358990A (en) * | 1978-08-31 | 1982-11-16 | Nissin Kogyo Kabushiki Kaisha | Negative pressure booster |
FR2446748A1 (en) * | 1979-01-17 | 1980-08-14 | Nissan Motor | HYDRAULIC AMPLIFIER MECHANISM, PARTICULARLY FOR A MOTOR VEHICLE BRAKING SYSTEM |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |