Flame failure devices
US4832070A · kind A · utility
8Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1988 |
| Grant date | May 23, 1989 |
| Priority date | — |
| Expiry date | Feb 3, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/1407
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The invention provides a flame failure device in which the reservoir exposed to the flame is charged with air and is communicated via a capillary tube to displace a membrane and hold the main valve in an open position, and the valve is closed by a spring when pressure falls as a result of the flame being extinguished. The system is re-charged via a one-way valve when pressure in the system falls below ambient pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.