Geared gas turbine engine with reduced fan noise
A fan section for a gas turbine engine according to an example of the present disclosure includes, among other things, a fan rotor having fan blades, and a plurality of fan exit guide vanes positioned downstream of the fan rotor. The fan rotor is configured to be driven through a gear reduction. A r...
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Main Authors | , , , , |
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Format | Patent |
Language | English |
Published |
14.09.2021
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Subjects | |
Online Access | Get full text |
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Summary: | A fan section for a gas turbine engine according to an example of the present disclosure includes, among other things, a fan rotor having fan blades, and a plurality of fan exit guide vanes positioned downstream of the fan rotor. The fan rotor is configured to be driven through a gear reduction. A ratio of a number of fan exit guide vanes to a number of fan blades is defined. The fan exit guide vanes are provided with optimized sweep and optimized lean. |
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Bibliography: | Application Number: US202016867668 |