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US 2024/0270397 A1Published application
Corrugated stiffening devices utilizing peaks and valleys and methods of manufacture
AssigneeRohr, Inc.
InventorsJENNIFER DAVIS, NATHANIEL M. GRAY
Life of this patent
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Abstract
A method may comprise: laying up a first plurality of plies of material comprising thermoplastic resin and fiber to form an inner skin preform, the inner skin preform being a continuous sheet including alternating peaks and valleys; laying up a second plurality of plies of material comprising thermoplastic resin and fiber to form an outer skin preform; and joining the inner skin preform to the outer skin preform.
Claims3
A stiffened panel half of a fan cowl, comprising:
- an outer surface defining an arcuate shape, the outer surface being contoured in a longitudinal direction;
- an inner surface disposed radially inward from the outer surface;
- and
- a stiffening structure including a plurality of peaks extending radially inward from the inner surface, each peak in the plurality of peaks including an apex spaced apart and defining a gap from the inner surface.
1 more element
Dependencies are inferred from the claim text.