WIND TURBINE BLADES WITH TRAILING EDGE SERRATIONS
First Claim
Patent Images
1. A wind turbine blade, comprising:
- a trailing edge having a plurality of serrations;
a length of the serrations in each of a plurality of sections of the trailing edge being between approximately 10% and 40% of a mean chord for the corresponding section; and
a length to width ratio of each of the serrations being between approximately 1;
1 to 4;
1.
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Abstract
A wind generator and turbine blade includes a trailing edge having several serrations, a length of the serrations in each of a plurality of sections of the trailing edge is between approximately 10% and 40% of a mean chord for the corresponding section; and a length to width ratio of each of the serrations is between approximately 1:1 to 4:1.
94 Citations
20 Claims
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1. A wind turbine blade, comprising:
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a trailing edge having a plurality of serrations; a length of the serrations in each of a plurality of sections of the trailing edge being between approximately 10% and 40% of a mean chord for the corresponding section; and a length to width ratio of each of the serrations being between approximately 1;
1 to 4;
1. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wind generator, comprising:
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a tower supporting a rotor that is connected to a gearbox and a generator; at least one blade, extending radially from the rotor, with a trailing edge having a plurality of triangular serrations arranged substantially coplanar with a trailing edge streamline; a length of the serrations in each of a plurality of sections of the trailing edge being between approximately 18% and 22% of a mean chord for the corresponding section; and a length to width ratio of each of the serrations being between approximately 1.5;
1 to 2.5;
1. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification