ZA881846B - - Google Patents
Info
- Publication number
- ZA881846B ZA881846B ZA881846A ZA881846A ZA881846B ZA 881846 B ZA881846 B ZA 881846B ZA 881846 A ZA881846 A ZA 881846A ZA 881846 A ZA881846 A ZA 881846A ZA 881846 B ZA881846 B ZA 881846B
- Authority
- ZA
- South Africa
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/027,591 US4770472A (en) | 1987-03-18 | 1987-03-18 | Freight brake control valve having an emergency piston slide valve arranged to provide an accelerated brake application function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA881846B true ZA881846B (pt) | 1988-09-08 |
Family
ID=21838607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA881846A ZA881846B (pt) | 1987-03-18 | 1988-03-15 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4770472A (pt) |
| CN (1) | CN1011499B (pt) |
| AU (1) | AU600104B2 (pt) |
| BR (1) | BR8801207A (pt) |
| CA (1) | CA1300209C (pt) |
| IN (1) | IN170815B (pt) |
| ZA (1) | ZA881846B (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830438A (en) * | 1988-08-17 | 1989-05-16 | American Standard Inc. | Freight brake emergency valve |
| US4850654A (en) * | 1989-01-13 | 1989-07-25 | American Standard Inc. | Freight brake emergency valve |
| US5480218C1 (en) * | 1994-09-15 | 2001-05-01 | Westinghouse Air Brake Co | Railway brake pipe bracket with access ports |
| US5634696A (en) * | 1994-09-15 | 1997-06-03 | Hart; James E. | Railway brake pipe bracket with access ports |
| US5451099A (en) * | 1994-12-28 | 1995-09-19 | Westinghouse Air Brake Company | Railway brake pipe bracket access plate |
| CN101870298B (zh) * | 2010-06-18 | 2012-09-05 | 北京南车时代机车车辆机械有限公司 | 制动机控制阀及其直线凸轮机构 |
| CN102094996B (zh) * | 2011-03-03 | 2012-07-25 | 北京南车时代机车车辆机械有限公司 | 一种分体式滑阀座及设有该滑阀座的控制阀 |
| CA2872257C (en) | 2012-05-24 | 2018-12-04 | Wabtec Holding Corp. | Service main piston bushing containing two spring ramps |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1947696A (en) * | 1930-09-11 | 1934-02-20 | Westinghouse Air Brake Co | Fluid pressure brake |
| US2027468A (en) * | 1932-06-09 | 1936-01-14 | New York Air Brake Co | Air brake |
| US1916299A (en) * | 1932-07-19 | 1933-07-04 | New York Air Brake Co | Air brake |
| US4043604A (en) * | 1976-11-11 | 1977-08-23 | Westinghouse Air Brake Company | Emergency portion for a brake control valve |
| US4690463A (en) * | 1986-04-18 | 1987-09-01 | American Standard Inc. | Freight brake control valve having an emergency piston slide valve arranged to provide an accelerated brake application function |
-
1987
- 1987-03-18 US US07/027,591 patent/US4770472A/en not_active Expired - Lifetime
-
1988
- 1988-03-15 ZA ZA881846A patent/ZA881846B/xx unknown
- 1988-03-16 IN IN172/MAS/88A patent/IN170815B/en unknown
- 1988-03-16 CA CA000561570A patent/CA1300209C/en not_active Expired - Lifetime
- 1988-03-17 BR BR8801207A patent/BR8801207A/pt not_active IP Right Cessation
- 1988-03-17 AU AU13214/88A patent/AU600104B2/en not_active Expired
- 1988-03-18 CN CN88101513A patent/CN1011499B/zh not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU600104B2 (en) | 1990-08-02 |
| IN170815B (pt) | 1992-05-23 |
| US4770472A (en) | 1988-09-13 |
| CN1011499B (zh) | 1991-02-06 |
| BR8801207A (pt) | 1988-10-25 |
| AU1321488A (en) | 1988-09-22 |
| CN1035800A (zh) | 1989-09-27 |
| CA1300209C (en) | 1992-05-05 |