Patent · US Expired

Tornado torch igniter

US7299620B2 · kind B2 · utility

13Cited by
12References
16Claims
0Family size

Inventors

Key dates

Filing dateJun 29, 2004
Grant dateNov 27, 2007
Priority date
Expiry dateDec 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.