Pneumatic control valve
US4302057A · kind A · utility
2Cited by
3References
47Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 27, 1979 |
| Grant date | Nov 24, 1981 |
| Priority date | — |
| Expiry date | Dec 27, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T15/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention is a pulse valve which imparts a force to a piston means for a limited duration of time or over a given distance. This pulse valve can be incorporated into a manual control valve. The manual control valve is particularly useful in an air parking brake control system for an air parking brake system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.