GB754153A - Improvements relating to systems for the automatic application of compressed air brakes for railway vehicles under the control of automatic train control apparatus - Google Patents
Improvements relating to systems for the automatic application of compressed air brakes for railway vehicles under the control of automatic train control apparatusInfo
- Publication number
- GB754153A GB754153A GB980354A GB980354A GB754153A GB 754153 A GB754153 A GB 754153A GB 980354 A GB980354 A GB 980354A GB 980354 A GB980354 A GB 980354A GB 754153 A GB754153 A GB 754153A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pipe
- brakes
- indication
- compressed air
- automatic
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/20—Safety devices operable by passengers other than the driver, e.g. for railway vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
754,153. Fluid pressure railway brakes. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., and SIMMONS, A. W. March 11, 1955 [April 2, 1954], No. 9803/54. Class 103 (1). In a compressed air brake system for railway vehicles of the kind described in Specification 745,105, wherein an indication is given to the driver when a train approaches an adverse signal, and in which automatic application of the brakes is made at the end of a predetermined interval after the giving of the indication, if the driver does not acknowledge the indication within that interval by operating a cancelling lever, the re-energization of a normally energized electric circuit, which enables the brakes to be released after being thus applied, is arranged to be automatically delayed for a predetermined interval of time. This form of operation is provided by a switch device 8 controlled by a piston having the space 41 above it at the brake pipe pressure in the pipe 22 leading to the emergency application valve 7 and the space 42 below it in connection with a timing reservoir 9 and with pipe 22 by a restriction 35. When the emergency valve 7 is opened, it connects pipe 22 to atmosphere so that due to restriction 35 a pressure differential is created across the piston 38 which tends to maintain the switch 36 open for a predetermined period long enough to permit the train to come to a stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB980354A GB754153A (en) | 1954-04-02 | 1954-04-02 | Improvements relating to systems for the automatic application of compressed air brakes for railway vehicles under the control of automatic train control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB980354A GB754153A (en) | 1954-04-02 | 1954-04-02 | Improvements relating to systems for the automatic application of compressed air brakes for railway vehicles under the control of automatic train control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB754153A true GB754153A (en) | 1956-08-01 |
Family
ID=9879078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB980354A Expired GB754153A (en) | 1954-04-02 | 1954-04-02 | Improvements relating to systems for the automatic application of compressed air brakes for railway vehicles under the control of automatic train control apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB754153A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007126579A1 (en) | 2006-03-28 | 2007-11-08 | Wabtec Holding Corp. | Pneumatic timer for delaying the application of an emergency braking pressure |
| US9404389B2 (en) | 2013-09-24 | 2016-08-02 | General Electric Company | Passive cooling system for control valve actuators within a negative pressure turbine enclosure using ambient cooling air |
| US9429036B2 (en) | 2013-09-24 | 2016-08-30 | General Electric Company | Cooling system for control valve actuators |
-
1954
- 1954-04-02 GB GB980354A patent/GB754153A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007126579A1 (en) | 2006-03-28 | 2007-11-08 | Wabtec Holding Corp. | Pneumatic timer for delaying the application of an emergency braking pressure |
| US7520574B2 (en) | 2006-03-28 | 2009-04-21 | Wabtec Holding Corporation | Pneumatic emergency brake release timer |
| US9404389B2 (en) | 2013-09-24 | 2016-08-02 | General Electric Company | Passive cooling system for control valve actuators within a negative pressure turbine enclosure using ambient cooling air |
| US9429036B2 (en) | 2013-09-24 | 2016-08-30 | General Electric Company | Cooling system for control valve actuators |
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