CA2014686A1 - Valve d'event - Google Patents
Valve d'eventInfo
- Publication number
- CA2014686A1 CA2014686A1 CA2014686A CA2014686A CA2014686A1 CA 2014686 A1 CA2014686 A1 CA 2014686A1 CA 2014686 A CA2014686 A CA 2014686A CA 2014686 A CA2014686 A CA 2014686A CA 2014686 A1 CA2014686 A1 CA 2014686A1
- Authority
- CA
- Canada
- Prior art keywords
- piston
- pilot
- pilot chamber
- valve
- vent valve
- 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.)
- Granted
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
- B60T15/42—Other control devices or valves characterised by definite functions with a quick braking action, i.e. with accelerating valves actuated by brake-pipe pressure variation
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/378,358 US4974911A (en) | 1989-07-11 | 1989-07-11 | Vent valve device |
US378,358 | 1989-07-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2014686A1 true CA2014686A1 (fr) | 1991-01-11 |
CA2014686C CA2014686C (fr) | 1997-01-21 |
Family
ID=23492822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002014686A Expired - Lifetime CA2014686C (fr) | 1989-07-11 | 1990-04-17 | Valve d'event |
Country Status (3)
Country | Link |
---|---|
US (1) | US4974911A (fr) |
CA (1) | CA2014686C (fr) |
ZA (1) | ZA903963B (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5096266A (en) * | 1991-02-08 | 1992-03-17 | Westinghouse Air Brake Company | Dual-response vent valve device |
US5190359A (en) * | 1992-02-25 | 1993-03-02 | Pulse Electronics, Incorporated | Pressure relief valve for railway brake emergency systems |
US5350222A (en) * | 1993-05-10 | 1994-09-27 | Westinghouse Air Brake Company | Auxiliary stabilizer valve for VX vent valve |
US5501513A (en) * | 1994-11-15 | 1996-03-26 | New York Air Brake Corporation | Emergency vent valve |
US6318812B1 (en) | 2000-09-13 | 2001-11-20 | New York Air Brake Corporation | Vent valve for electropneumatic brake control valve |
US8919892B2 (en) * | 2007-11-08 | 2014-12-30 | New York Air Brake Corporation | Brake pipe vent valve for locomotive brake system |
US20090229932A1 (en) * | 2008-03-11 | 2009-09-17 | New York Air Brake | Brake pipe vent valve for locomotive brake system |
WO2018109511A1 (fr) * | 2016-12-16 | 2018-06-21 | Wabco Europe Bvba | Système d'alimentation en air comprimé et procédé de fonctionnement d'un système d'alimentation en air comprimé |
CN111646434B (zh) * | 2020-07-10 | 2024-04-05 | 慨迩医疗科技(成都)有限公司 | 一种用于便携式制氧机的集成截止阀的分子筛床排气端盖 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3165115A (en) * | 1962-08-16 | 1965-01-12 | Westinghouse Air Brake Co | Vent valve device |
US4025126A (en) * | 1976-01-19 | 1977-05-24 | Westinghouse Air Brake Company | Brake control valve device with movable control reservoir charging valve |
US4026609A (en) * | 1976-08-26 | 1977-05-31 | Westinghouse Air Brake Company | Pressure reduction and pressure reduction rate sensitive emergency vent valve |
US4043604A (en) * | 1976-11-11 | 1977-08-23 | Westinghouse Air Brake Company | Emergency portion for a brake control valve |
-
1989
- 1989-07-11 US US07/378,358 patent/US4974911A/en not_active Expired - Lifetime
-
1990
- 1990-04-17 CA CA002014686A patent/CA2014686C/fr not_active Expired - Lifetime
- 1990-05-22 ZA ZA903963A patent/ZA903963B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US4974911A (en) | 1990-12-04 |
ZA903963B (en) | 1991-03-27 |
CA2014686C (fr) | 1997-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |