Exhaust-indicator
US4246933A · kind A · utility
3Cited by
12References
7Claims
0Family size
Inventor
Key dates
| Filing date | Dec 21, 1978 |
| Grant date | Jan 27, 1981 |
| Priority date | — |
| Expiry date | Dec 21, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87241
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve device adapted to be fitted to an exhaust opening, said device comprising an apertured housing accomodating a slidable valve body. On exhaust pressure exerting sufficient force against said valve body, the exhaust fluid may exit through said apertures and concurrently cause emission of a signal, indicating exhaust.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.