GB850450A - Improvements relating to vent valves for compressed fluid braking apparatus - Google Patents
Improvements relating to vent valves for compressed fluid braking apparatusInfo
- Publication number
- GB850450A GB850450A GB33169/58A GB3316958A GB850450A GB 850450 A GB850450 A GB 850450A GB 33169/58 A GB33169/58 A GB 33169/58A GB 3316958 A GB3316958 A GB 3316958A GB 850450 A GB850450 A GB 850450A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- passage
- piston
- pistons
- 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
- B60T15/36—Other control devices or valves characterised by definite functions
- B60T15/54—Other control devices or valves characterised by definite functions for controlling exhaust from triple valve or from brake cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Arrangements (AREA)
- Braking Systems And Boosters (AREA)
Abstract
850,450. Vent valve for fluid pressure brakes. COMPAGNIE DES FREINS ET SIGNAUX WESTINGHOUSE. Oct. 17, 1958 [Oct. 26, 1957], No. 33169/58. Class 103 (1). A vent valve device for compressed fluid braking apparatus, comprises chambers 6, 7 for connection to an auxiliary reservoir and a brake cylinder respectively, and connected by a passage 5 closable by a valve 11 controlled by a piston 8b coaxially slidable in a piston 8a which normally closes a vent passage 12 between chamber 7 and atmosphere, the pistons being exposed to atmosphere on one side and on the other to brake pipe pressure acting to maintain valve 11 open and passage 12 closed, and a manually operable member 19 by which the pistons can be moved to close valve 11 and open passage 12. With the apparatus on a railway vehicle, the brakes are normally applied on separation of the vehicle from the train, to release the brakes, operation of member 19 moves pistons 8a, 8b via plunger 20 against springs 14, 21 to uncover port 13 and connect passage 12 to a reduced diameter portion 15 of piston 8a, ports 18 and atmospheric chamber 22 to vent the brake cylinder only to release the brakes, the passage 5 being closed by valve 11. The pistons are held raised by escaping fluid acting on the lower face of piston 8a and by auxiliary reservoir pressure acting on the lower face of valve 11 which is fixed by rod 9 to piston 8b. When a truck has been reconnected with a train, the brake pipe pressure rises and acts through a connection, not shown, to lower the pistons 8a, 8b, close passage 12 and open valve 11. The rod 9 is a loose fit in bore 10, permitting the venting of chamber 10a to atmosphere via duct 9a, sealing rings 11a prevent fluid escaping to duct 9a from the auxiliary reservoir when valve 11 is closed.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR794734A FR75719E (en) | 1959-05-15 | 1959-05-15 | Bleed valve for releasing automatic pressurized fluid brakes |
| FR806900A FR76385E (en) | 1959-05-15 | 1959-10-07 | Bleed valve for releasing automatic pressurized fluid brakes |
| FR1185216T | 1959-10-07 | ||
| FR863152A FR79869E (en) | 1959-05-15 | 1961-05-29 | Bleed valve for releasing automatic pressurized fluid brakes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB850450A true GB850450A (en) | 1960-10-05 |
Family
ID=27445127
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33169/58A Expired GB850450A (en) | 1959-05-15 | 1958-10-17 | Improvements relating to vent valves for compressed fluid braking apparatus |
| GB16434/60A Expired GB955414A (en) | 1959-05-15 | 1960-05-10 | Improvements relating to a vent valve device for compressed fluid braking apparatus |
| GB33110/60A Expired GB920351A (en) | 1959-05-15 | 1960-09-27 | Improvements relating to vent or release valve devices for compressed fluid braking apparatus |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB16434/60A Expired GB955414A (en) | 1959-05-15 | 1960-05-10 | Improvements relating to a vent valve device for compressed fluid braking apparatus |
| GB33110/60A Expired GB920351A (en) | 1959-05-15 | 1960-09-27 | Improvements relating to vent or release valve devices for compressed fluid braking apparatus |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE571571A (en) |
| CH (2) | CH362710A (en) |
| DE (3) | DE1181262B (en) |
| FR (4) | FR1185216A (en) |
| GB (3) | GB850450A (en) |
| LU (2) | LU39205A1 (en) |
| NL (4) | NL122010C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8967591B2 (en) | 2011-02-24 | 2015-03-03 | Wabtec Holding Corp. | Trip cock fault detector |
| CN107554511A (en) * | 2017-09-22 | 2018-01-09 | 眉山中车制动科技股份有限公司 | A kind of hand relieving valve and stress reduction device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL120790C (en) * | 1959-05-15 | |||
| NL264289A (en) * | 1960-05-07 | |||
| FR1295404A (en) * | 1961-04-11 | 1962-06-08 | Westinghouse Freins & Signaux | Automatic purge valve for triple valve |
| FR1323595A (en) * | 1962-02-26 | 1963-04-12 | Westinghouse Freins & Signaux | Automatic purge valve |
| CH447260A (en) * | 1965-11-02 | 1967-11-30 | Oerlikon Buehrle Holding Ag | Automatic purge valve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE578573C (en) * | 1932-05-07 | 1933-06-15 | Knorr Bremse Akt Ges | Release device for air brakes |
| DE640850C (en) * | 1935-10-20 | 1937-01-15 | Knorr Bremse Akt Ges | Release device for air brakes |
| DE847919C (en) * | 1950-12-19 | 1952-08-28 | Oerlikon Buehrle Ag | Triggering device for indirectly acting air brakes |
| NL120790C (en) * | 1959-05-15 |
-
0
- NL NL120790D patent/NL120790C/xx active
- BE BE571571D patent/BE571571A/xx unknown
- NL NL256227D patent/NL256227A/xx unknown
- NL NL251180D patent/NL251180A/xx unknown
- LU LU38566D patent/LU38566A1/xx unknown
- NL NL122010D patent/NL122010C/xx active
-
1957
- 1957-10-26 FR FR1185216D patent/FR1185216A/en not_active Expired
-
1958
- 1958-10-17 GB GB33169/58A patent/GB850450A/en not_active Expired
-
1959
- 1959-05-15 FR FR794734A patent/FR75719E/en not_active Expired
- 1959-10-07 FR FR806900A patent/FR76385E/en not_active Expired
-
1960
- 1960-01-24 DE DEC26297A patent/DE1181262B/en active Pending
- 1960-02-24 DE DEC20875A patent/DE1160489B/en active Pending
- 1960-05-02 CH CH500360A patent/CH362710A/en unknown
- 1960-05-10 GB GB16434/60A patent/GB955414A/en not_active Expired
- 1960-09-21 LU LU39205D patent/LU39205A1/xx unknown
- 1960-09-27 GB GB33110/60A patent/GB920351A/en not_active Expired
- 1960-10-03 CH CH1110760A patent/CH363997A/en unknown
-
1961
- 1961-05-29 FR FR863152A patent/FR79869E/en not_active Expired
- 1961-12-06 DE DEC25676A patent/DE1286064B/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8967591B2 (en) | 2011-02-24 | 2015-03-03 | Wabtec Holding Corp. | Trip cock fault detector |
| CN107554511A (en) * | 2017-09-22 | 2018-01-09 | 眉山中车制动科技股份有限公司 | A kind of hand relieving valve and stress reduction device |
| CN107554511B (en) * | 2017-09-22 | 2024-01-23 | 眉山中车制动科技股份有限公司 | Manual relief valve and pressure relief device |
Also Published As
| Publication number | Publication date |
|---|---|
| NL251180A (en) | |
| GB955414A (en) | 1964-04-15 |
| GB920351A (en) | 1963-03-06 |
| FR76385E (en) | 1961-10-06 |
| DE1181262B (en) | 1964-11-12 |
| DE1160489B (en) | 1964-01-02 |
| FR75719E (en) | 1961-08-04 |
| LU39205A1 (en) | 1961-03-21 |
| CH363997A (en) | 1962-08-31 |
| NL120790C (en) | |
| FR1185216A (en) | 1959-07-31 |
| DE1286064B (en) | 1969-01-02 |
| NL122010C (en) | |
| FR79869E (en) | 1963-02-08 |
| BE571571A (en) | |
| NL256227A (en) | |
| LU38566A1 (en) | |
| CH362710A (en) | 1962-06-30 |
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