Rotor blade and stator vane using ceramic shell

Details Rotor blade and stator vane using ceramic shell Rotor blade and stator vane using ceramic shell

1982-07-12

1985-05-28

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

Changing state mass within or fluid flow through working...

416 92, 416241B, F01D 518

Patent

active

045197458

ABSTRACT:
A ceramic blade assembly including a corrugated-metal partition situated in the space between the ceramic blade element and the post member, which corrugated-metal partition forms a compliant layer for the relief of mechanical stresses in the ceramic blade element during aerodynamic and thermal loading of the blade and which partition also serves as a means for defining contiguous sets of juxtaposed passages situated between the ceramic blade element and the post member, one set being open-ended and adjacent to exterior surfaces of the post member for directing cooling fluid thereover and the second set being adjacent to the interior surfaces of the ceramic blade element and being closed-off for creating stagnant columns of fluid to thereby insulate the ceramic blade element from the cooling air.

REFERENCES:
patent: 2787441 (1957-04-01), Bartlett
patent: 2851216 (1958-09-01), Scanlan et al.
patent: 2994124 (1961-08-01), Denny et al.
patent: 3389889 (1968-06-01), Denny
patent: 3443792 (1939-05-01), Moss
patent: 4396349 (1983-08-01), Hueber

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