DEVICE FOR CONVERTING WIND ENERGY TO AT LEAST MECHANICAL ENERGY
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United States of America Patent
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Issued Date -
Dec 6, 2018
app pub date -
Sep 21, 2016
filing date -
Sep 21, 2016
priority date (Note) -
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Abstract
The invention relates to a device for converting wind energy to at least mechanical energy, comprising a rotor with a number of rotor blades drivable rotatably about a rotation axis by wind and a duct disposed therearound, wherein a central axis of the duct substantially coincides with the rotation axis of the rotor, characterized by guide means disposed upstream of the rotor for guiding the wind in a substantially helical movement round the central axis during use of the device such that the wind is supplied in the substantially helical movement round the central axis to the rotor.
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