CPC F02C 7/04 (2013.01) [F02C 3/00 (2013.01); F02C 7/264 (2013.01); F23R 3/002 (2013.01); F23R 3/343 (2013.01); F05D 2220/32 (2013.01); F23R 2900/03343 (2013.01)] | 5 Claims |
1. A method comprising:
issuing liquid from a fuel injector into a combustion chamber of a torch ignitor;
issuing air from the fuel injector into the combustion chamber;
issuing a separate stream of assist gas into the combustion chamber via a passage passing through a cap defining the axially upstream end of the combustion chamber and oriented about an axis from an exterior of the combustion chamber, while issuing air from the fuel injector;
flowing the liquid from the fuel injector, the air from the fuel injector, and the stream of assist gas into the combustion chamber to form a first fuel-air mixture;
igniting the first fuel-air mixture within the combustion chamber via a resistive heating element; and
reducing the separate stream of assist gas into the combustion chamber after the first fuel-air mixture reaction is sustained but while the first fuel-air mixture is ongoing.
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