NOISE REDUCING WIND TURBINE BLADE
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Nov 21, 2024
app pub date -
May 3, 2022
filing date -
May 3, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A wind turbine blade (10) comprising a pressure side (24) and a suction side (26), a leading edge (18) and a trailing edge (20). At least a portion of the blade (10) located in a trailing edge region (142) at or adjacent to the trailing edge (20) is a noise reducing portion defining an exposed surface and comprising a plurality of sound reducing or sound absorbing acoustic resonators (58), each of the resonators (58) comprising an opening (55) in the exposed surface and a cavity (56) having a length L between the opening (55) and a bottom (57) of the cavity opposite the opening (55).
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