Gear pump drive gear pressure loaded bearing

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United States of America Patent

PATENT NO 9453506
APP PUB NO 20150354560A1
SERIAL NO

14298434

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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One embodiment includes a gear pump with a drive gear, a gear shaft passing through the drive gear, and a pressure loaded journal bearing. Also included is a fluid film, between a surface of the pressure loaded journal bearing and a surface of the gear shaft, and a hybrid pad on the pressure loaded journal bearing. The hybrid pad has a minimum leading edge angular location on the pressure loaded journal bearing of 29.5° and a maximum trailing edge angular location on the pressure loaded journal bearing of 42.5°. The gear pump also includes a porting path for supplying high pressure fluid from a discharge of the gear pump to the fluid film at the hybrid pad.

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First Claim

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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)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heitz, Steven A Rockford, US 28 169
Kovach, Brandon T Rockford, US 12 51

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