Levered counterweight feathering system

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12180886
APP PUB NO 20230279805A1
SERIAL NO

18314187

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A fan assembly for a gas turbine engine includes a fan disk, a trunnion, an actuation device, a fan blade, and a counterweight assembly. The trunnion is mounted to the fan disk. The actuation device is operably coupled to the trunnion. The fan blade is rotatably attached to the fan disk. The counterweight assembly includes a link arm, a lever arm, a hinge, and a counterweight. The link arm is connected to the trunnion, to the actuation device, or to both. The link arm is configured to drive rotation of the trunnion relative to the fan disk. The hinge is pivotably connected to the lever arm. The lever arm is connected to the link arm and is disposed to rotate about a connection point of the lever arm and the hinge. The counterweight is mounted to the lever arm at a location spaced from the hinge.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
GENERAL ELECTRIC COMPANY1 RIVER ROAD SCHENECTADY NY 12345

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daggett, Nicholas M Cincinnati, US 17 7
Devendorf, Brian Lewis Georgetown, US 19 51
Niergarth, Daniel Alan Norwood, US 104 1081
van, der Merwe Gert Johannes Lebanon, US 26 208

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