Prestressed combustor liner for gas turbine engine

Details Prestressed combustor liner for gas turbine engine Prestressed combustor liner for gas turbine engine

1981-12-14

1983-12-27

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combustion products generator

60753, 60754, F02C 712

Patent

active

044223005

ABSTRACT:
The walls of the liner of a gas turbine combustor are segmented and disposed axially and circumferentially to define a combustion chamber. The liner is formed by radially spaced walls preferably fabricated from a ceramic or other high temperature brittle material. The wall adjacent the hot combustion products is prestressed at room temperature and the juxtaposed wall is cooperatively shaped to define a supporting frame for the prestressed wall so as to minimize the overall stresses occasioned in the hostile environment to which the prestressed wall is subjected.

REFERENCES:
patent: 2544538 (1951-03-01), Mahnken et al.
patent: 2919549 (1960-01-01), Haworth et al.
patent: 3552178 (1971-01-01), Felgar
patent: 3918255 (1975-11-01), Holden
patent: 3954389 (1976-05-01), Szetela
patent: 3956886 (1976-05-01), Sedgwick
patent: 4030875 (1977-06-01), Grondahl et al.
patent: 4220624 (1980-09-01), Austin

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