Alpha case removal process for a main rotor blade spar

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United States of America Patent

PATENT NO 10155298
APP PUB NO 20130165024A1
SERIAL NO

13332440

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Abstract

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A method of removing an alpha case from a rotor blade by directing a water jet to mill a surface of a rotor blade spar to remove an Alpha-case therefrom.

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Patent Owner(s)

Patent OwnerAddress
SIKORSKY AIRCRAFT CORPORATION6900 MAIN STREET P O BOX 9729 STRATFORD CT 06615-9129

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Araujo, Robert J Shelton, US 2 30
Mukherji, Tapas K Shelton, US 4 33

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