High-efficiency epicyclic gear assemblies for turbomachines and method of manufacturing thereof

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United States of America Patent

PATENT NO 11732655
APP PUB NO 20220325669A1
SERIAL NO

17581057

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Abstract

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A gear assembly comprises a plurality of planet gear layshafts that have an outer surface having a plurality of gear surfaces and a surface having one or more bearing surfaces. The one or more bearing surfaces of the surfaces of the planet gear layshafts have a first case hardening depth and a first nitriding hardness depth. The gear surfaces of the outer surface of the planet gear layshafts have a second case hardening depth.

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Patent Owner(s)

Patent OwnerAddress
GE AVIO S R LVIA I MAGGIO 99 RIVALTA DI TORINO 10040

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Piazza, Andrea Rivalta di Torino, IT 75 236

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