Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Coating – specific composition or characteristic
Reexamination Certificate
2008-03-04
2008-03-04
Look, Edward K. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific blade structure
Coating, specific composition or characteristic
C416S22300B, C148S404000, C420S444000, C420S445000
Reexamination Certificate
active
10791421
ABSTRACT:
A high modulus component, such as an aircraft engine turbine blade, is formed from a base metal that has a high modulus crystallographic orientation that is aligned with the primary, i.e. radial, direction of the turbine blade. The base metal is Ni, Fe, Ti, Co, Al, Nb, or Mo based alloy. Alignment of a high modulus direction of the base metal with the primary direction provides enhanced high cycle fatigue life.
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Allen William P.
Cetel Alan D.
Shah Dilip M.
Stoner Alan W.
Carlson & Gaskey & Olds
Look Edward K.
United Technologies Corporation
Wiehe Nathan
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