Stress mitigation feature for composite airfoil leading edge

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10487675
APP PUB NO 20150377045A1
SERIAL NO

14765008

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Abstract

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A vane assembly within a mid-turbine frame of a gas turbine engine includes an airfoil that extends between an outer platform and an inner platform. The airfoil includes an outer wall defining a leading edge of a first radius. An inner wall of the airfoil defines an inner cavity including a forward portion proximate the leading edge defining a second radius different than the first radius.

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Patent Owner(s)

  • UNITED TECHNOLOGIES CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Hoyt Y Manchester, US 20 188
Duelm, Shelton O Wethersfield, US 27 250

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