Rotary kinetic fluid motors or pumps – Method of operation
Reexamination Certificate
2005-11-22
2005-11-22
Nguyen, Ninh H. (Department: 3745)
Rotary kinetic fluid motors or pumps
Method of operation
C415S186000, C415S191000, C415S211200, C415S908000, C416S19700C, C416SDIG004, C416SDIG004
Reexamination Certificate
active
06966747
ABSTRACT:
A wind turbine device of increased efficiency is comprised of a set of fixed airfoils that direct wind into a rotor having a plurality of blades. The fixed airfoils may extend to the ground to increase the amount of wind directed into the rotor and may be manufactured from concrete. The rotor blades have a vented portion near the axis of rotation that has been found to increase efficiency for certain blade geometries. For other blade geometries, increased efficiency is observed with no gap at the axis of rotation. The rotor may also be manufactured from composite materials to increase strength while decreasing the moment of inertia for the rotor.
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Taylor Ronald J.
Taylor Scott J.
Cochran William W.
Cochran Freund & Young LLC
Nguyen Ninh H.
LandOfFree
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