Three-dimensionally woven composite blade with spanwise weft yarns
AssigneeUnited Technologies Corporation
InventorRajiv A. Naik
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Abstract
A composite blade has a root and a tip in a spanwise direction and a leading edge and a trailing edge in a chordwise direction. The composite blade includes a three-dimensional woven preform having weft yarns and warp yarns. The weft yarns extend in the spanwise direction of the composite blade. The warp yarns interweave the weft yarns and extend in the chordwise direction of the blade.
Claims13
A composite blade having a root and a tip in a spanwise direction and a leading edge and a trailing edge in a chordwise direction, the composite blade comprising:
- a three-dimensionally woven preform comprising:
- weft yarns extending in the spanwise direction of the composite blade;
- and
- warp yarns interweaving the weft yarns and extending in the chordwise direction of the composite blade.
A three-dimensionally woven preform for a composite blade, the preform comprising:
- substantially straight weft yarns extending in a spanwise direction of the preform between a root and a tip;
- and
- warp yarns extending in a chordwise direction of the preform between a leading edge and a trailing edge, the warp yarns interweaving the weft yarns and having a crimp angle.
Dependencies are inferred from the claim text.