Tornado torch igniter
US7299620B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jun 29, 2004 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Dec 5, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2210/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An ignition system having improved reliability for a gas turbine combustor is disclosed. The ignition system comprises an outer housing having at least one fuel passage and an electrode extending therethrough forming a generally annular passage for cooling air to pass to a mixing chamber. Fuel and air mix in the mixing chamber to form a combustible mixture that is ignited by the electrode. The outer housing further comprises a plurality of air swirl holes to effectively cool the walls of the mixing chamber as well as to provide improved flame stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.