Rotation symmetrical, fluid dynamic body for producing rotary motion, buoyancy or drive has vane segments with leading surfaces, integral or fitted subsequently, for collecting air/liquid from edges of leading surfaces to substantial extent
摘要
<p>The rotation symmetrical, fluid dynamic body has vane segments with leading surfaces (A), which are integral or fitted subsequently, for collecting the air or liquid from the edges of the leading surfaces to a substantial extent.</p>
