| 摘要 |
The rotating door wind machine is built by attaching 2 or more door units to a vertical shaft. The wind force closes the doors and create a torque on the shaft thereby causing it to rotate horizontally and produce energy. This energy is then output to drive a load such as an electrical generator. When the shafts turn 180 degrees the doors will open to allow the wind force to pass through and not interfere with the machine's rotation.
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