Separation-resistant inlet duct for mid-turbine frames

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8061980
APP PUB NO 20100040462A1
SERIAL NO

12228947

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Abstract

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A transition duct assembly for a gas turbine engine includes an outer diameter surface and an inner diameter surface. A substantially annular flowpath having a radial offset is defined between the inner diameter surface and the outer diameter surface. A curvature distribution of the inner diameter surface includes a first region of increasing slope in a radial direction and a second region of decreasing slope in the radial direction adjacent to and downstream of the first region. The first and second regions are configured to reduce flow separation along the outer diameter surface of fluid traveling along the substantially annular flowpath.

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Patent Owner(s)

Patent OwnerAddress
RTX CORPORATION10 FARM SPRINGS ROAD FARMINGTON CT 06032

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allen-Bradley, Eunice East Hartford, US 11 214
Praisner, Thomas J Colchester, US 38 590

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