Gas turbine combustion apparatus

Details Gas turbine combustion apparatus Gas turbine combustion apparatus

1987-03-19

1989-10-10

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60754, F23R 354, F23R 306

Patent

active

048723126

ABSTRACT:
A gas turbine cooling apparatus is disclosed in which a flow sleeve is provided to surround a combustor liner and a tail pipe substantially over their full length. A group of small holes for impinge-cooling an outer wall of the tail pipe are formed in a region of the flow sleeve close to a turbine. Further, opening portion for introducing cooling air are provided closer to the combustor liner than the small holes. Thus, the outer wall of the tail pipe and the wall of the combustor liner are cooled by the cooling air flowing between the tail pipe, the combustor liner and the flow sleeve.

REFERENCES:
patent: 2716330 (1955-08-01), Way
patent: 4339925 (1982-07-01), Eggmann et al.
patent: 4362500 (1982-12-01), Eriksson et al.

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