Shroud segment having a cut-back retaining hook

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United States of America Patent

PATENT NO 5423659
SERIAL NO

08235584

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Abstract

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A shroud segment for a gas turbine engine includes a hook having an undercut surface. Various construction details are developed that provide a segment having a hook with minimized bending stress. In a particular embodiment, a shroud segment includes a plurality of hooks spaced along the leading and trailing edges of the shroud segment. Each of the plurality of hooks includes a positioning surface, a support surface and an undercut surface therebetween. The positioning surface defines the limits of axial movement of the shroud segment. The support surface reacts the radial loading on the shroud segment during operation of the gas turbine engine. The undercut surface is offset from the stator assembly to define the maximum length of the support surface.

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Patent Owner(s)

Patent OwnerAddress
UNITED TECHNOLOGIES CORPORATION10 FARM SPRINGS ROAD FARMINGTON CT 06032-2568

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Thompson, Ralph J Tolland, CT 9 390

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