Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1989-01-03
1991-07-02
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combustion products generator
60753, 415 9, 416 96A, F02G 100
Patent
active
050276042
ABSTRACT:
A hot gas overheat protection device is provided for gas turbine engines and the like. An outer metal wall having cooling air supplied through cooling holes therethrough from the outside is shielded from hot gas flow by the provision of highly temperature resistant lining wall elements spaced from the metal wall. A thin metal skin is provided between the metal wall and the wall elements defining intermediate spaces communicating with cooling air ports in the metal wall. The thin metal skin has a melting point equal to or lower than that of the metal wall so as to provide for fusion or rupture of the thin metal skin in the event the insulating wall elements are locally ruptured, whereby the cooling air is provided through the cooling air ports in a direction against the flow of hot gases to thereby mitigate the effects of the rupture and protect the metal wall.
REFERENCES:
patent: 3016703 (1962-01-01), Lorett et al.
patent: 4087199 (1978-05-01), Hemsworth et al.
patent: 4296606 (1981-10-01), Reider
patent: 4302941 (1981-12-01), DuBell
patent: 4380896 (1983-04-01), Wiebe
patent: 4555901 (1985-12-01), Wakeman et al.
Casaregola Louis J.
MTU Motoren und Turbinen- Union Munchen GmbH
Thorpe T.
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