BLADE FOR A ROTOR ASSEMBLY OF A TURBINE ENGINE

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20240375201A1
SERIAL NO

18779702

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A blade for mounting on a rotor disc of a turbine engine includes platform segments between a airfoil and blade root and extending laterally from the blade, the platform segment having a curved profile defining a platform recess on a root side of the platform segment, the recess configured to cooperate with recesses of adjacent blades to define a blade pocket. A recessed region is defined in a rear surface of the blade root, and is configured to receive a complementary projection of the rotor disc upon mounting the blade on the rotor disc. The recessed region has a surface configured to abut a corresponding surface on the projection of the rotor disc to form a face seal. Methods of manufacturing such a rotor disc and of sealing a circumferential joint between such blades and the rotor disc are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
PRATT & WHITNEY CANADAQUEBEC CAN QUEBEC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HUSZAR, Robert Beloeil, CA 10 2
LECUYER, Daniel Saint-Bruno, CA 18 101

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