Fluid brake control system for railroad vehicles
US4798420A · kind A · utility
4Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 16, 1987 |
| Grant date | Jan 17, 1989 |
| Priority date | — |
| Expiry date | Nov 16, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T15/42
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A fluid brake control system for a railway train has control valves of the ABD type that have service valves that are modified to provide continuous quick service, thus eliminating the need for special accelerated application valves as currently used in ABDW control valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.