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US 7,841,835 B2Granted
Spar cap for wind turbine blades
AssigneeGeneral Electric Company
InventorsBharat S. Bagepalli, Carlos E. Latorre, Mohamad B. Sultan, Jason J. Testa
Life of this patent
Estimating the term…
Abstract
A blade of a wind turbine is provided having an improved spar cap. The spar cap includes at least one trench extending in a substantially span-wise direction in at least a portion of the spar cap. At least one shear web is connected to the spar cap. At least a portion of the shear web is positioned within the trench of the spar cap.
Claims19
A blade of a wind turbine, comprising:
- at least one spar cap having at least one trench, said at least one trench extending in a substantially span-wise direction in at least a portion of said at least one spar cap, the at least one spar cap comprising a first surface that extends from the at least one trench towards a side of the at least one spar cap;
- at least one shear web connecting to said at least one spar cap;
- skin foam disposed next to the at least one spar cap;
- wherein, at least a portion of said at least one shear web is positioned within said at least one trench, and at least a portion of the first surface is tapered or contoured towards the skin foam so that a portion of the first surface is at substantially the same height as the skin foam.
1 more element
A blade of a wind turbine, comprising:
- at least one spar cap having at least one trench, said at least one trench extending in a substantially span-wise direction in at least a portion of said at least one spar cap, said at least one spar cap comprising a first surface that extends from said at least one trench towards a side of said at least one spar cap;
- at least one shear web connected to said at least one spar cap;
- skin foam disposed next to said at least one spar cap, said skin foam having a predetermined height;
- wherein, at least a portion of said at least one shear web is positioned within said at least one trench and at least a portion of said first surface is tapered or contoured towards said skin foam so that at least a portion of said first surface is at substantially the same height as said skin foam.
1 more element
Dependencies are inferred from the claim text.