GB205356A - Improvements relating to fluid pressure braking apparatus - Google Patents
Improvements relating to fluid pressure braking apparatusInfo
- Publication number
- GB205356A GB205356A GB2975422A GB2975422A GB205356A GB 205356 A GB205356 A GB 205356A GB 2975422 A GB2975422 A GB 2975422A GB 2975422 A GB2975422 A GB 2975422A GB 205356 A GB205356 A GB 205356A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- chamber
- piston
- driver
- brakes
- 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
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/04—Driver's valves
- B60T15/16—Arrangements enabling systems to be controlled from two or more positions
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
205,356. Winter, H. J., and Westing- house Brake & Saxby Signal Co., Ltd. Oct. 31, 1922. Fluid-pressure.-In a straight air brake wherein a valve automatically connects the operative driver's valve to the brake cylinder when the brakes are to be applied, a conductor's brake valve by which an independent application may be effected is provided, and is so constructed that the brakes so applied may be released by the driver from the opposite end of the vehicle by suitable manipulation of his valve, whether the conductor's valve be closed or open. In the form shown, a driver's valve 1 is provided at each end of the vehicle, and communication with the brake cylinder 3 is controlled by a double-check valve 5, which comprises a piston chamber 8 in which a piston 9 works, and valve chambers 10, 11, each containing a slide valve 12 operated by a stem 13 on the piston to control exhaust ports 14. When the right-hand driver's valve is operative and is moved to application position, the piston 9 is moved to the left, the brake cylinder is charged from the chamber 11 and the chamber 10 exhausts through its port 14. Similarly, when the lefthand valve is operative, the chamber 10 charges the brake cylinder, and the chamber 11 is vented. The conductor's brake valve 7, which comprises a cock 16 and a pressure-limiting valve 19 controlled by a spring 20, by-passes the driver's valve. When the cock 16 is opened, fluid passes from the reservoir 4 to the pipe 6 and the piston 9 is moved to the right, but the pressure with which the brakes are applied is lower than main reservoir pressure, because of the reducing action of the valve 7. To release the brakes at the opposite end of the vehicle the driver first moves his valve to application position, when fluid at main reservoir pressure entering the chamber 11 overcomes the lower pressure in the chamber 10 and moves the piston 9 to the left, thus venting the chamber 10. By moving his valve to release position the driver may now release the brakes, as the piston 9 will remain in its left position.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2975422A GB205356A (en) | 1922-10-31 | 1922-10-31 | Improvements relating to fluid pressure braking apparatus |
| US625493A US1486939A (en) | 1922-10-31 | 1923-03-16 | Fluid-pressure brake |
| FR569409D FR569409A (en) | 1922-10-31 | 1923-08-02 | Improvements to fluid pressure brake devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2975422A GB205356A (en) | 1922-10-31 | 1922-10-31 | Improvements relating to fluid pressure braking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB205356A true GB205356A (en) | 1923-10-18 |
Family
ID=10296624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2975422A Expired GB205356A (en) | 1922-10-31 | 1922-10-31 | Improvements relating to fluid pressure braking apparatus |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR569409A (en) |
| GB (1) | GB205356A (en) |
-
1922
- 1922-10-31 GB GB2975422A patent/GB205356A/en not_active Expired
-
1923
- 1923-08-02 FR FR569409D patent/FR569409A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR569409A (en) | 1924-04-11 |
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