CA2558723A1 - Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system - Google Patents
Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system Download PDFInfo
- Publication number
- CA2558723A1 CA2558723A1 CA002558723A CA2558723A CA2558723A1 CA 2558723 A1 CA2558723 A1 CA 2558723A1 CA 002558723 A CA002558723 A CA 002558723A CA 2558723 A CA2558723 A CA 2558723A CA 2558723 A1 CA2558723 A1 CA 2558723A1
- Authority
- CA
- Canada
- Prior art keywords
- pressure release
- brake pipe
- freight train
- pneumatically controlled
- brake
- 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
Landscapes
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
A graduated release valve for a rail vehicle having a pneumatic control valve, a brake pipe, at least one reservoir charged from the brake pipe, and a brake cylinder device, includes a metering valve communicating with the brake cylinder device and controlling the exhaust of pressure therefrom responsive generally to increases in brake pipe pressure. The metering valve communicates with a relatively small volume charged from the at least one reservoir, the volume being communicated with the brake pipe when the pneumatic control valve triggers a service accelerated release.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21451100P | 2000-06-28 | 2000-06-28 | |
US60/214,511 | 2000-06-28 | ||
CA002351915A CA2351915C (en) | 2000-06-28 | 2001-06-28 | Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002351915A Division CA2351915C (en) | 2000-06-28 | 2001-06-28 | Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2558723A1 true CA2558723A1 (en) | 2001-12-28 |
CA2558723C CA2558723C (en) | 2008-02-19 |
Family
ID=37114272
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002558723A Expired - Fee Related CA2558723C (en) | 2000-06-28 | 2001-06-28 | Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system |
CA002558795A Expired - Fee Related CA2558795C (en) | 2000-06-28 | 2001-06-28 | Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002558795A Expired - Fee Related CA2558795C (en) | 2000-06-28 | 2001-06-28 | Apparatus and method for pneumatically controlled graduated brake pressure release for freight train brake system |
Country Status (1)
Country | Link |
---|---|
CA (2) | CA2558723C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022110513A1 (en) * | 2020-11-30 | 2022-06-02 | 中车山东机车车辆有限公司 | Vehicle brake control system, vehicle and train |
-
2001
- 2001-06-28 CA CA002558723A patent/CA2558723C/en not_active Expired - Fee Related
- 2001-06-28 CA CA002558795A patent/CA2558795C/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022110513A1 (en) * | 2020-11-30 | 2022-06-02 | 中车山东机车车辆有限公司 | Vehicle brake control system, vehicle and train |
GB2615845A (en) * | 2020-11-30 | 2023-08-23 | Crrc Shandong Co Ltd | Vehicle brake control system, vehicle and train |
GB2615845B (en) * | 2020-11-30 | 2024-03-20 | Crrc Shandong Co Ltd | Vehicle brake control system, vehicle and train |
Also Published As
Publication number | Publication date |
---|---|
CA2558795A1 (en) | 2001-12-28 |
CA2558723C (en) | 2008-02-19 |
CA2558795C (en) | 2007-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20200831 |