POLYMER-COATED BLADE WITH ABRASIVE TIP

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United States of America Patent

APP PUB NO 20190195075A1
SERIAL NO

16287036

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A friction interface in a gas turbine engine includes an abradable component, such as a seal, and an abrasive component, such as a blade tip, in rubbing contact with each other. The abradable component is composed of a polymer matrix composite and the abrasive component is composed of a metal matrix with hard particles dispersed through the metal matrix. The metal matrix is an aluminum alloy and the hard particles are selected from oxides, nitrides, carbides, oxycarbides, oxynitrides, diamond and combinations thereof.

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Patent Owner(s)

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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beers, Russell A Manchester, US 43 277
Strock, Christopher W Kennebunk, US 194 1243

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