Mounting for ceramic scroll

Details Mounting for ceramic scroll Mounting for ceramic scroll

1992-03-19

1993-02-16

Look, Edward K.

Power plants

Combustion products used as motive fluid

Combustion products generator

60 3932, F02C 304

Patent

active

051860066

ABSTRACT:
A mounting for a ceramic scroll on a metal engine block of a gas turbine engine includes a first ceramic ring and a pair of cross key connections between the first ceramic ring, the ceramic scroll, and the engine block. The cross key connections support the scroll on the engine block independent of relative radial thermal growth and for bodily movement toward an annular mounting shoulder on the engine. The scroll has an uninterrupted annular shoulder facing the mounting shoulder on the engine block. A second ceramic ring is captured between mounting shoulder and the uninterrupted shoulder on the scroll when the latter is bodily shifted toward the mouting shoulder to define a gas seal between the scroll and the engine block.

REFERENCES:
patent: 3999376 (1976-12-01), Jeryan et al.
patent: 4326835 (1982-04-01), Wertz
patent: 4373326 (1983-02-01), Smale
patent: 4639194 (1987-01-01), Bell, III et al.
patent: 4748806 (1988-06-01), Drobny
patent: 5105625 (1992-04-01), Bell, III et al.

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