Method of forming a cooling hole by laser drilling

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United States of America Patent

PATENT NO 9696035
SERIAL NO

13875150

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Abstract

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A method for making shaped cooling holes in a substrate by pulsing and stopping a laser while moving the laser or substrate. The method produces shaped cooling holes with a bore angled relative to an exit surface of the combustor liner. One end of the bore is an inlet formed in an inlet surface of the combustor liner. The other end of the bore is an outlet formed in the exit surface of the combustor liner. The outlet has a shaped portion that expands in only one dimension.

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Patent Owner(s)

Patent OwnerAddress
GENERAL ELECTRIC COMPANY1 RIVER ROAD SCHENECTADY NY 12345

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bennett, William Forest Park, US 19 238
Gibbons, John Clinton, US 29 254
Starkweather, John Howard Cincinnati, US 18 576
Urbanski, Anthony Terre Haute, US 1 27

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