GB739785A - Improvements relating to driver's brake valves for fluid pressure braking apparatus for railway and like vehicles - Google Patents
Improvements relating to driver's brake valves for fluid pressure braking apparatus for railway and like vehiclesInfo
- Publication number
- GB739785A GB739785A GB15176/54A GB1517654A GB739785A GB 739785 A GB739785 A GB 739785A GB 15176/54 A GB15176/54 A GB 15176/54A GB 1517654 A GB1517654 A GB 1517654A GB 739785 A GB739785 A GB 739785A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- release
- brake
- graduated
- 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
- B60T15/048—Controlling pressure brakes of railway vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
739,785. Fluid-pressure brakes. WESTING- HOUSE BRAKE & SIGNAL CO., Ltd. May 24, 1954 [May 27, 1953], No. 15176/54. Class 103 (1). A driver's brake valve for fluid pressure operated railway braking systems of the kind having a release position, a running position, and an emergency application position with a graduated release zone between the latter two positions over which the application and release of the brakes may be graduated, and comprising a pilot valve 2 and a relay valve 3 ensuring respectively the maintenance of a certain regulable pressure in a control reservoir 26 and the maintenance in the brake pipe connected to passage 47 of a pressure substantially equal to that of the control reservoir, is characterized in that an auxiliary valve 16 is situated in the passage between the main reservoir 17 and the brake pipe on the main reservoir side of the relay valve 3 and comprises manually-operable means 5 which permit or prevent the closing of said auxiliary valve 16 when the brake valve is in the graduated release zone. Such actuation is brought about by a cam 20 on the cylinder 4 which is turned by the handle 5. The control valve as described above can be used in systems in which there are included triple valves of the direct release type not providing graduated release of the brakes.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR739785X | 1953-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB739785A true GB739785A (en) | 1955-11-02 |
Family
ID=9132937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15176/54A Expired GB739785A (en) | 1953-05-27 | 1954-05-24 | Improvements relating to driver's brake valves for fluid pressure braking apparatus for railway and like vehicles |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB739785A (en) |
-
1954
- 1954-05-24 GB GB15176/54A patent/GB739785A/en not_active Expired
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