APPARATUS AND SYSTEM FOR CONVERTING WIND INTO MECHANICAL OR ELECTRICAL ENERGY
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United States of America Patent
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app pub date -
Dec 23, 2008
filing date -
Jul 14, 2003
priority date (Note) -
Abandoned
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Abstract
A system for converting an airflow into mechanical or electrical energy is provided. The system may include a drawtube. The drawtube may include a tubular member defining a longitudinal axis and having a first opening and a second opening. The drawtube may include a first member positioned adjacent to the first opening on a first side of the tubular member. The drawtube may include a second member positioned adjacent to the second opening on a second side of the tubular member, wherein the longitudinal axis of the drawtube is disposed at an angle relative to a direction of the airflow. An energy conversion device may be coupled to the drawtube and configured to convert the airflow into mechanical or electrical energy. A plurality of the drawtubes may be assembled in an array. The array may surround the energy conversion device and may define a diffuser such that when the system is positioned in the airflow a pressure differential is created between a windward inlet of the diffuser and a leeward outlet of the diffuser to thereby increase the power output of the energy conversion device. The first member may include a raised edge extending longitudinally along an edge thereof.
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