Gear and bearing indents to induce fluid film

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United States of America Patent

PATENT NO 11713716
APP PUB NO 20230048163A1
SERIAL NO

17403046

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A fuel pump assembly for a gas turbine engine includes a shaft for transmitting motion, a gear connected to and coaxial with the shaft with the gear having a first wear surface, a first bearing coaxial with the shaft with the first bearing being configured to support the gear and having a second wear surface positioned to interact with the first wear surface, and a plurality of indents. The indents are distributed in the first wear surface or the second wear surface and at least two of the plurality of indents are partially aligned in a radial direction.

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Patent Owner(s)

Patent OwnerAddress
HAMILTON SUNDSTRAND CORPORATIONFOUR COLISEUM CENTRE 2730 WEST TYVOLA ROAD CHARLOTTE NC 28217-4578

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goy, Edward W Crystal Lake, US 33 18
Ni, Weishun William Rockton, US 5 4

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