Locomotive brake pipe valve cut-out failure detection and correction
US6866347B2 · kind B2 · utility
5Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2002 |
| Grant date | Mar 15, 2005 |
| Priority date | — |
| Expiry date | Oct 15, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T17/228
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In a distributed power railroad train, an apparatus for equalizing the equalizing reservoir pressure in the remote power unit and the brake pipe pressure. With these pressures equal, the remote unit cannot charge the brake pipe while the lead unit attempts to vent the brake pipe to command a brake application at the railcars of the train.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.