Ignition systems
US4413303A · kind A · utility
7Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1981 |
| Grant date | Nov 1, 1983 |
| Priority date | — |
| Expiry date | Jun 23, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23Q3/004
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An electrical ignition system for a burner in which a spark generation circuit is arranged to charge a capacitor in one sense, and in which a flame sensing device charges the capacitor in the opposite sense, a detector circuit being provided to monitor the presence and polarity of a charge on the capacitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.