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US 11,235,492 B2Granted
Tubular fibrous structure with lobes
AssigneeSafran Nacelles
InventorsBertrand Desjoyeaux, Benjamin Provost, Fabien Depeux, Davi Silva De Vasconcellos
Life of this patent
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Abstract
A tubular structure having lobes is produced as a single piece over at least two lobes. Circumferential fibres of the structure have a constant orientation with respect to the longitudinal axis (A) of the structure in any plane (P) transverse to the longitudinal axis. The structure is obtained by weaving or by filament winding.
Claims14
A one piece fibrous structure comprising:
- at least two lobes formed only of a single piece;
- and
- circumferential fibers having a constant orientation with respect to a longitudinal axis of the fibrous structure in a plane transverse to the longitudinal axis, wherein the fibrous structure is formed by weaving or by filament winding and the circumferential fibers are continuous across the at least two lobes in a circumferential direction.
Dependencies are inferred from the claim text.