Combined ignitor spark and flame rod
US9863635B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2015 |
| Grant date | Jan 9, 2018 |
| Priority date | — |
| Expiry date | Jan 22, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23N2229/12
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Disclosed herein is an ignition system for igniting a flame in a combustion chamber comprising a conduit secured to a windbox wall of the combustion chamber; where the conduit includes a fuel conduit for delivering fuel to the combustion chamber; and a single ignitor and flame rod assembly having a first end and a second end; where the first end comprises a high energy ignitor tip; where the second end is in electrical communication with an electrical power source; where the electrical power source comprises a spark transformer that comprises a primary winding and a secondary winding; a flame monitoring ignitor; where the flame monitoring ignitor is in direct electrical communication with a ground contact and with a low voltage side of the secondary winding; where the flame monitoring ignitor is disposed between the low voltage side of the secondary winding and a ground contact; and a transient voltage suppressor; that is disposed in parallel with the flame monitoring ignitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.