Thin-walled reinforcement lattice structure for hollow CMC buckets

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United States of America Patent

PATENT NO 9689265
APP PUB NO 20150369052A1
SERIAL NO

13442077

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Abstract

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A hollow ceramic matrix composite (CMC) turbine bucket with an internal reinforcement lattice structure has improved vibration properties and stiffness. The lattice structure is formed of thin-walled plies made of CMC. The wall structures are arranged and located according to high stress areas within the hollow bucket. After the melt infiltration process, the mandrels melt away, leaving the wall structure to become the internal lattice reinforcement structure of the bucket.

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Patent Owner(s)

Patent OwnerAddress
GE INFRASTRUCTURE TECHNOLOGY LLC300 GARLINGTON ROAD GREENVILLE SC 29615

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
de, Diego Peter Saluda, US 18 101

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