Pilot flame tube

Details Pilot flame tube Pilot flame tube

1977-06-23

1979-02-27

Garrett, Robert E.

Power plants

Combustion products used as motive fluid

External-combustion engine type

60 3982P, 431285, 431352, F02C 718, F02C 726

Patent

active

041412133

ABSTRACT:
A combustor assembly for an automotive gas turbine engine includes a continuously ignited, pilot flame tube supported on a combustor dome immediately downstream of an inlet fuel nozzle and air swirler assembly. The pilot flame tube has an air swirler and fuel nozzle supported on an interior bulkhead and air is supplied upstream of the bulkhead and through a double-walled porous tube assembly for cooling wall portions of the flame tube exposed to the flame front within the combustor and wall portions thereof exposed to a pilot flame formed within the flame tube.

REFERENCES:
patent: 2654219 (1953-10-01), Zaba
patent: 2734341 (1956-02-01), Lovesey
patent: 2744384 (1956-05-01), Loughran
patent: 2967224 (1961-01-01), Irwin
patent: 3349558 (1967-10-01), Smith
patent: 3930368 (1976-01-01), Anderson et al.
patent: 3954389 (1976-05-01), Szetela
patent: 4012904 (1977-03-01), Nogle

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