Thermoplastic rotor blade
First Claim
1. A blade, comprising:
- a core;
a composite material disposed on the core; and
a skin located on the composite material;
wherein the composite material comprises fibers incorporated into a thermoplastic resin matrix, and the thermoplastic resin matrix is a material selected from the group consisting of polyethylene terephthalate, polyvinyl chlorides, polyvinylidene chlorides, polyvinyl acetates, polypropylenes, polyethylenes, polystyrenes, polyurethanes, polyphenylene sulfide, and combinations of the foregoing materials.
3 Assignments
0 Petitions
Accused Products
Abstract
A blade comprises a lightweight core, a composite material disposed on the core, and a skin located on the composite material. The composite material comprises fibers incorporated into a thermoplastic resin matrix in the form of a prepreg sheet or wet layup. The rotor blade may also comprise a front edge member attached along at least a portion of a leading edge of the core, a rear edge member attached along at least a portion of a trailing edge of the core, and a skin located over the core, the front edge member, and the rear edge member. The rotor blade may also comprise a spar extending through the core along a longitudinal axis of the rotor blade, and a skin located over the core and the spar. The edge members and the spars may be fabricated from thermoplastic material.
112 Citations
25 Claims
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1. A blade, comprising:
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a core; a composite material disposed on the core; and a skin located on the composite material; wherein the composite material comprises fibers incorporated into a thermoplastic resin matrix, and the thermoplastic resin matrix is a material selected from the group consisting of polyethylene terephthalate, polyvinyl chlorides, polyvinylidene chlorides, polyvinyl acetates, polypropylenes, polyethylenes, polystyrenes, polyurethanes, polyphenylene sulfide, and combinations of the foregoing materials. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A rotor blade for a wind turbine, the rotor blade comprising,
a core; -
a front edge member attached to the core along at least a portion of a leading edge defined by the core; a rear edge member attached to the core along at least a portion of a trailing edge defined by the core; and a skin located over the core, the front edge member, and the rear edge member; wherein at least one of the front edge member and the rear edge member comprises a thermoplastic composite material. - View Dependent Claims (18, 19, 20)
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21. A rotor blade for a wind turbine, the rotor blade comprising,
a core; -
a spar extending through the core along a longitudinal axis of the rotor blade; a skin located over the core and the spar; and a first support layer located on the skin and extending along at least a portion of the length of the rotor blade; wherein the spar comprises a thermoplastic composite material. - View Dependent Claims (24, 25)
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22. A rotor blade for a wind turbine, the rotor blade comprising,
a core; -
a spar extending through the core along a longitudinal axis of the rotor blade; and a skin located over the core and the spar; wherein the spar comprises a thermoplastic composite material and a beam having an I-shaped cross section.
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23. A rotor blade for a wind turbine, the rotor blade comprising,
a core; -
a spar extending through the core along a longitudinal axis of the rotor blade; and a skin located over the core and the spar; wherein the spar comprises a thermoplastic composite material and a beam having a box-shaped cross section.
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Specification