General Electric Company

Carlos E Silva

Raymond J Jones

James Harvey Vogan

Robert E Seeley

Carl L De Cesare

Joseph H Stocks, Iii

In a steam turbine rotor wheel and bucket dovetail joint construction wherein the wheel dovetail includes three radially aligned hooks each interconnected by a neck having an upper and lower fillet, an improvement includes redesigned fillet radii which, in a first embodiment, include the upper fillet having a radius greater than the lower fillet radius. In certain embodiments, the upper fillet may have a radius twice that of the lower fillet. In other embodiments, the radii in both the upper and lower fillets have been enlarged.

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Greenville, SC, United States of America

Carlos E Silva