Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
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
Asahi Naotatsu
Hirose Fumiyuki
Iizuka Nobuyuki
Kojima Yoshitaka
Casaregola Louis J.
Hitachi , Ltd.
Thorpe T. S.
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