Turbine casing and radiation shield

Details Turbine casing and radiation shield Turbine casing and radiation shield

1993-01-13

1993-12-28

Look, Edward K.

Rotary kinetic fluid motors or pumps

Including heat insulation or exchange means

415178, 415134, 415136, 415116, F01D 2508

Patent

active

052733971

ABSTRACT:
A thermal radiation shield is joined to an annular casing through which combustion gases are axially flowable. The shield is spaced at least in part radially inwardly from the casing inner surface and includes axially spaced apart forward and aft edges and radially outer and inner surfaces extending axially therebetween. The shield includes a trough disposed in the outer surface which faces the casing inner surface, and the trough extends along the shield at least in part both axially and circumferentially. A flow conduit extends through the casing and in flow communication with the trough for channeling cooling air thereto. The shield protects the casing from thermal radiation, and the trough is effective for channeling the cooling air both circumferentially and axially for reducing thermal gradients.

REFERENCES:
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patent: 4222707 (1980-09-01), Drouet et al.
patent: 4379677 (1983-04-01), Hallinger et al.
patent: 4573866 (1986-03-01), Sandy, Jr. et al.
patent: 4920742 (1990-05-01), Nash et al.
patent: 5160241 (1992-11-01), Glynn

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