Turbofan engine including integrated pylon and fan outlet guide vane with noise reduction features

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12228053
APP PUB NO 20250052163A1
SERIAL NO

18232026

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Importance

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Abstract

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A turbofan engine and an outlet guide vane structure for the turbofan engine is provided. The outlet guide vane structure includes a non-uniform plurality of outlet guide vanes utilized in a bypass duct and between a radially inward wall and a radially outward wall. The non-uniform plurality of outlet guide vanes have varying chord lengths at the base of the outlet guide vanes along the radially inward wall. The non-uniform plurality of outlet guide vanes may include structural outlet guide vanes, non-structural outlet guide vanes, and cut-out outlet guide vanes. The non-uniform plurality of outlet guide vanes include at least one outlet guide vane integrated with a pylon and/or a bifurcation of the turbofan engine. The cut-out outlet guide vane may be integrated with the pylon and/or bifurcation. The cut-out may include a leading edge and a trailing edge disposed in front of a leading edge of the pylon.

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Patent Owner(s)

Patent OwnerAddress
GENERAL ELECTRIC COMPANY1 NEUMANN WAY EVENDALE OH 45215-6301

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Geertsema, Egbert Cincinnati, US 11 46
Ramakrishnan, Kishore Rexford, US 85 367
Wood, Trevor H Clifton Park, US 26 4

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