Turbofan arrangement with blade channel variations

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United States of America Patent

PATENT NO 11118459
APP PUB NO 20200102830A1
SERIAL NO

16519475

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A gas turbine engine according to an example of the present disclosure includes, among other things, a fan section having a fan including a rotor hub rotatable about an engine longitudinal axis and an array of fan blades, a geared architecture, a compressor section including a low pressure compressor and a high pressure compressor, a turbine section including a low pressure turbine and a high pressure turbine. The low pressure turbine drives the fan through the geared architecture. Each fan blade of the array of fan blades includes pressure and suction sides and extending in a radial direction from a 0% span position at an inner flow path location to a 100% span position at an airfoil tip, and facing pressure and suction sides of adjacent fan blades define a channel in a chordwise direction having a width between the facing pressure and suction sides at a given span position of the adjacent fan blades. The width at each pressure side location along the channel is defined as a minimum distance to a location along the suction side, and the width converges along the channel for at least some span positions.

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Patent Owner(s)

  • AYTHEON TECHNOLOGIES CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chuang, Sue-Li Glastonbury, US 12 60
Gallagher, Edward J West Hartford, US 73 501

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