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US 2006/0216139 A1Published application
Advanced ventilator vane structure
OwnerPen-Yen Changinventor
Life of this patent
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Abstract
An advanced ventilator vane structure comprises multiple vanes set equidistantly on the same surface of the center of a base. The tortuosity of each vane is like S-type shape and its free end is an arc fringe. This special shape of the vanes could reduce the wind resistance and the turbulence, as well as the noise caused by resonance. This invention achieves the purpose of improving the economic efficiency via enhancing wind-force by increasing the rotary power and the speed of the vane.
Claims4
An advanced ventilator vane structure comprises:
- a base;
- multiple vanes being set equidistantly on the center surface of said base,
- said vane being like S-type shape and having an arc fringe.
Dependencies are inferred from the claim text.