GB1032578A - Improvements in or relating to air pressure braking systems - Google Patents
Improvements in or relating to air pressure braking systemsInfo
- Publication number
- GB1032578A GB1032578A GB935864A GB935864A GB1032578A GB 1032578 A GB1032578 A GB 1032578A GB 935864 A GB935864 A GB 935864A GB 935864 A GB935864 A GB 935864A GB 1032578 A GB1032578 A GB 1032578A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- compressed air
- chamber
- brake
- 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.)
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
1,032,578. Fluid pressure brakes. CLAYTON DEWANDRE CO. Ltd. March 5, 1965 [March 5, 1964], No. 9358/64. Heading F2F. In a compressed air vehicle braking system comprising an automatically-operating antiskid device (not shown) which, on sensing wheellocking, energizes a solenoid 16 to operate a valve element 8, initial displacement of the said element interrupts supply of compressed air to a two-chamber brake cylinder whilst further movement of said element interconnects opposite sides of the diaphragm 4 or piston of the cylinder to destroy the pressure differential across the diaphragm or piston to effect brake release. During normal brake operation, the spool-like valve element 8 is urged by spring 21 to the top of its housing 7 which is bolted to a double-chamber brake cylinder formed by a diaphragm 4 clamped between dished plates 1 and 2 by a ring 3. Compressed air is fed from a source (not shown) by a driver's valve (not shown) through an inlet port 9, past the waisted portion 8b of the spool, through outlet port 10 to the chamber on the left-hand side of the diaphragm. In addition, the chamber on the righthand side of the diaphragm is vented to atmosphere through line 12, port 11 and exhaust 13. Consequently, thrust rod 6 is moved to the right to apply the brake. On wheel-lock being sensed, the anti-skid device energizes solenoid 16 which actuates a pilot valve 17. This valve connects a port 20, normally vented through opening 18, to a further compressed air inlet 19. The valve element 8 is displaced downwards to the position shown to initially cut-off the connections between ports 9 and 10 and ports 11 and 13, respectively. Further downwards movement of the valve element then interconnects ports 10 and 11 to equalize the pressure across the diaphragm and destroy the braking force. The arrangement is said to conserve the compressed air supply and ensure rapid re-application of the brake, if necessary, by the residual pressure remaining in the chamber on the left-hand side of the diaphragm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB935864A GB1032578A (en) | 1964-03-05 | 1964-03-05 | Improvements in or relating to air pressure braking systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB935864A GB1032578A (en) | 1964-03-05 | 1964-03-05 | Improvements in or relating to air pressure braking systems |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1032578A true GB1032578A (en) | 1966-06-08 |
Family
ID=9870404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB935864A Expired GB1032578A (en) | 1964-03-05 | 1964-03-05 | Improvements in or relating to air pressure braking systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1032578A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3664130A (en) * | 1970-11-16 | 1972-05-23 | Bendix Corp | Hydraulic brake pressure limiting device |
US3677610A (en) * | 1970-11-16 | 1972-07-18 | Bendix Corp | Adaptive braking control valve |
-
1964
- 1964-03-05 GB GB935864A patent/GB1032578A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3664130A (en) * | 1970-11-16 | 1972-05-23 | Bendix Corp | Hydraulic brake pressure limiting device |
US3677610A (en) * | 1970-11-16 | 1972-07-18 | Bendix Corp | Adaptive braking control valve |
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