GB218706A - Improvements in and relating to fluid pressure braking apparatus - Google Patents
Improvements in and relating to fluid pressure braking apparatusInfo
- Publication number
- GB218706A GB218706A GB700623A GB700623A GB218706A GB 218706 A GB218706 A GB 218706A GB 700623 A GB700623 A GB 700623A GB 700623 A GB700623 A GB 700623A GB 218706 A GB218706 A GB 218706A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- brake cylinder
- exhaust
- release
- pressure
- 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
- 239000012530 fluid Substances 0.000 title 1
- 238000004804 winding Methods 0.000 abstract 2
- 238000013270 controlled release Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
218,706. Peter, B. H., Winter, H. J., and Westinghouse Brake & Saxby Signal Co., Ltd. March 10, 1923. Fluid-pressure brakes controlled either electrically or by variations in train pipe pressure. The complete release of the brakes by electric means is prevented by interposing a loaded check valve in the passage leading from the brake cylinder to atmosphere. The braking system shown in Fig. 1 comprises a driver's valve 3, triple valve 1, auxiliary reservoir, and brake cylinder 2, and an electrically-controlled release valve 7 controlling the exhaust from the brake cylinder through the pipe 29 to an exhaust port 25. When the valve winding 9, Fig. 2, is energized, the rod 20 is raised to open the exhaust valve 20 against its spring 22, but when the brake cylinder pressure has fallen to a predetermined value, the check valve 26 closes under the aotion of the spring 27 to prevent further release, complete release being effected pneumatically. The winding 9 is energized by tilting the handle 19 of the driver's valve to close the contacts 18 by means of the pivoted arm 30, this action being permitted only when the handle is in the " lap " position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB700623A GB218706A (en) | 1923-03-10 | 1923-03-10 | Improvements in and relating to fluid pressure braking apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB700623A GB218706A (en) | 1923-03-10 | 1923-03-10 | Improvements in and relating to fluid pressure braking apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB218706A true GB218706A (en) | 1924-07-10 |
Family
ID=9824834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB700623A Expired GB218706A (en) | 1923-03-10 | 1923-03-10 | Improvements in and relating to fluid pressure braking apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB218706A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5952661A (en) * | 1996-08-16 | 1999-09-14 | Raytheon Company | Chopper for thermal imaging system and method |
-
1923
- 1923-03-10 GB GB700623A patent/GB218706A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5952661A (en) * | 1996-08-16 | 1999-09-14 | Raytheon Company | Chopper for thermal imaging system and method |
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