Gearboxes for aircraft gas turbine engines

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11739660
APP PUB NO 20220364481A1
SERIAL NO

17863836

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Gearboxes for aircraft gas turbine engines, in particular to arrangements for journal bearings such gearboxes, and to related methods of operating such gearboxes and gas turbine engines. Example embodiments include a gearbox for an aircraft gas turbine engine, the gearbox including: a sun gear; a plurality of planet gears surrounding and engaged with the sun gear; and a ring gear surrounding and engaged with the plurality of planet gears, each of the plurality of planet gears being rotatably mounted around a pin of a planet gear carrier with a journal bearing having an internal sliding surface on the planet gear and an external sliding surface on the pin.

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First Claim

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Patent Owner(s)

  • ROLLS ROYCE PLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Spruce, Mark Derby, GB 53 107

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