Insulated propeller blade

Details Insulated propeller blade Insulated propeller blade

1987-09-03

1988-12-06

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

416224, 416226, 416230, B64C 1126

Patent

active

047893044

ABSTRACT:
A propeller blade is insulated to withstand the high temperature exhaust of a gas turbine engine. The blade has a spar, a skin covering the spar and forming a contour of the blade, and an insulating layer disposed between the spar and the skin along the portion of the blade operating within the high temperature exhaust of an engine.

REFERENCES:
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patent: 3176775 (1975-04-01), Clemens
patent: 3647317 (1972-03-01), Furlong et al.
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patent: 4108572 (1978-08-01), Platt
patent: 4268571 (1981-05-01), McCarthy
patent: 4488399 (1984-12-01), Robey et al.
patent: 4522673 (1985-06-01), Fell et al.
patent: 4524499 (1985-06-01), Grimes et al.
patent: 4648921 (1987-03-01), Nutter
patent: 4685864 (1987-08-01), Angus et al.

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