Flame detecting apparatus
US4107657A · kind A · utility
5Cited by
5References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1976 |
| Grant date | Aug 15, 1978 |
| Priority date | — |
| Expiry date | Dec 17, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23N5/123
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A flame detecting apparatus comprises a flame detecting electrode and an auxiliary electrode both of which are in use disposed in a flame, and means to bias the auxiliary electrode to a DC potential different from that of the detecting electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.