Low pressure ratio fan engine having a dimensional relationship between inlet and fan size

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United States of America Patent

PATENT NO 11781447
SERIAL NO

17482666

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Abstract

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A gas turbine engine assembly may include, among other things, a fan section including a fan, the fan including a plurality of fan blades, a diameter of the fan having a dimension D, each fan blade having a leading edge, and a forward most portion on the leading edges of the fan blades in a first reference plane, a geared architecture, a turbine section including a high pressure turbine and a low pressure turbine, the low pressure turbine driving the fan through the geared architecture, a nacelle surrounding the fan, the nacelle including an inlet portion forward of the fan, a forward edge on the inlet portion in a second reference plane, and a length of the inlet portion having a dimension L between the first reference plane and the second reference plane. A dimensional relationship of L/D may be between 0.30 and 0.40.

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Patent Owner(s)

Patent OwnerAddress
RTX CORPORATION10 FARM SPRINGS ROAD FARMINGTON CT 06032

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gilson, Jonathan West Hartford, US 47 568
Lord, Wesley K South Glastonbury, US 91 1458
Malecki, Robert E Storrs, US 32 305
Qiu, Yuan J Glastonbury, US 14 191
Rose, Becky E Colchester, US 27 272

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