Combustion apparatus for gas turbine

Details Combustion apparatus for gas turbine Combustion apparatus for gas turbine

1987-04-09

1991-04-23

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60 3955, F02G 300

Patent

active

050090704

ABSTRACT:
A surface, of an inner sleeve of a combustion apparatus for a gas turbine, which is subjected to a flame radiation heat is coated with a ceramic coating. A coating which is superior in high temperature corrosion resistant characteristics to a metal material forming the inner sleeve is provided on the opposite surface of the inner sleeve. Thus, heat transferred to the inner sleeve by the radiation from the flame is shielded by the ceramic coating. A formation of oxides on the coating of the corrosion resistant metal material formed on the opposite surface of the sleeve is prevented. A heat release through the surface from the metal material forming the inner sleeve is enhanced, whereby a thermal stress generated in the inner sleeve is suppressed to thereby prevent a generation of a cracks.

REFERENCES:
patent: 3831854 (1974-08-01), Sato et al.
patent: 4055705 (1977-10-01), Stecura et al.
patent: 4248940 (1981-02-01), Gouard et al.
patent: 4429019 (1984-01-01), Schrewelius

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