Back to results
US 12,187,413 B2Granted
Propeller blade
AssigneeRatier-Figeac SAS
InventorsPascal Amat, Olivier Picot
Life of this patent
Estimating the term…
Abstract
A propeller blade comprising a composite member. The composite member comprises a stack of plies and a matrix in which the stack of plies is embedded. At least one ply comprises a plurality of first yarns aligned in a first direction defining a plane of the ply and a plurality of second yarns extending transverse to the plane of the ply. Each second yarn does not extend through more than one ply. Also provided is a propelling system comprising the propeller blade, a composite propeller blade prepreg, and a method of forming a propeller blade.
Claims15
A propeller blade comprising:
- a composite member comprising a stack of plies, at least one ply comprising:
- a plurality of first yarns aligned in a first direction defining a plane of the at least one ply;
- and
- a plurality of second yarns (106) extending transverse to the plane of the at least one ply;
- wherein each second yarn does not extend through more than one ply, wherein the second yarns pass though the plane of the at least one ply;
- and
- a matrix in which the stack of plies is embedded.
4 more elements
Dependencies are inferred from the claim text.