Turbine rotor non-metallic blade attachment

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United States of America Patent

PATENT NO 8920127
SERIAL NO

13184736

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Importance

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Abstract

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In an engine disk and blade combination, the metallic disk has a plurality of first blade attachment slots and a plurality of second blade attachment slots circumferentially interspersed with each other. There is a circumferential array of a plurality of first blades. Each first blade has an airfoil and an attachment root. The attachment roots are respectively received in associated said first attachment slots. There is a circumferential array of second blades. Each second blade has an airfoil and an attachment root. The attachment roots are respectively received in associated said second slots. The first blades and second blades are non-metallic. The first blades are radially longer than the second blades. The first slots are radially deeper than the second slots.

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Patent Owner(s)

Patent OwnerAddress
RAYTHEON TECHNOLOGIES CORPORATION10 FARM SPRINGS ROAD FARMINGTON CT 06032

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McCaffrey, Michael G Windsor, US 219 2556

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