Airfoil leading edge end wall vortex reducing plasma

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7628585
APP PUB NO 20080145210A1
SERIAL NO

11639876

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A leading edge vortex reducing system includes a gas turbine engine airfoil extending in a spanwise direction away from an end wall, one or more plasma generators extending in the spanwise direction through a fillet between the airfoil and the end wall in a leading edge region near and around a leading edge of the airfoil and near the fillet. The plasma generators being operable for producing a plasma extending over a portion of the fillet in the leading edge region. The plasma generators may be mounted on an outer wall of the airfoil with a first portion of the plasma generators on a pressure side of the airfoil and a second portion of the plasma generators on a suction side of the airfoil. A method for operating the system includes energizing one or more plasma generators to form the plasma in steady state or unsteady modes.

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Patent Owner(s)

  • GENERAL ELECTRIC COMPANY

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cherry, David Glenn Loveland , US 16 677
Han, Je-Chin College Station , US 6 114
Lee, Ching-Pang Cincinnati , US 393 10438
Wadia, Aspi Rustom Loveland , US 48 1182

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