Combustor for a gas turbine

Details Combustor for a gas turbine Combustor for a gas turbine

1989-10-19

1992-01-21

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Combustion products generator

60737, 60748, F02C 304, F23R 330, F23R 334

Patent

active

050818430

ABSTRACT:
A combustor for driving a gas turbine includes a first burning stage and a second burning stage. The combustor further comprises a primary combustion chamber in which air from the associated compressor and fuel are burnt, a pre-mixing chamber in which air from the associated compressor and fuel are pre-mixed, a main combustion chamber in which fuel/air mixture is burnt and forwarded to the gas turbine, an air passage provided in a wall of the main combustion chamber, through which air from the compressor flows to cool the wall thereof, and an intercommunicating air passage for intercommunicating the air passage to the pre-mixing chamber, whereby cooling air for the main combustion chamber wall is used to supplement the air in the pre-mixing chamber.

REFERENCES:
patent: 3859787 (1975-01-01), Anderson et al.
patent: 4138842 (1979-02-01), Zwick
patent: 4704869 (1987-11-01), Iizuka et al.
Japanese Patent Unexamined Publication No. 61-22127.
Japanese Patent Unexamined Publication No. 61-22106.
U.S. Patent No. 4,292,801.

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