Monolithic fan cowl of an aircraft engine and a manufacturing method thereof
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United States of America Patent
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Jun 13, 2017
Grant Date -
Sep 4, 2014
app pub date -
Mar 4, 2014
filing date -
Mar 4, 2013
priority date (Note) -
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Abstract
The invention provides a fan cowl (11) of an aircraft engine made of a composite material having an optimized structure for withstanding the expected loads and for being able to be manufactured as a monolithic ensemble. The structure comprise a skin (13), frames (15) of a closed cross-section arranged in a transverse direction to the longitudinal axis of the aircraft and longitudinal beams (17, 19) comprising first parts (21) of a closed cross-section to be superimposed to the transverse frames (15) in their crossing zones and second parts (23) of an open cross-section in zones not crossing transverse frames (15) having their webs (41) arranged in a same plane. The invention also refers to a manufacturing method of said fan cowl (11).
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