Embedded auxiliary oil system for gearbox protection

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11073200
APP PUB NO 20200284337A1
SERIAL NO

16293790

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A gearbox is provided for use in a gas turbine engine. The gearbox includes a plurality of gears, a casing surrounding the plurality of gears, and a lubricant re-circulation system. The casing defines a sump positioned beneath the plurality of gears to retain lubricant. The lubricant re-circulation system includes a re-circulation pump, a re-circulation inlet positioned within the sump, and a re-circulation outlet positioned to supply lubricant to the plurality of gears.

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Patent Owner(s)

Patent OwnerAddress
ROLLS-ROYCE CORPORATION450 S MERIDIAN STREET INDIANAPOLIS IN 46225-1103

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gebhard, John R Fishers, US 12 24
Kempers, Adam L Indianapolis, US 7 23

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