Fluid turbine systems

Details Fluid turbine systems Fluid turbine systems

2008-11-10

2010-06-29

Edgar, Richard (Department: 3745)

Rotary kinetic fluid motors or pumps

With means for controlling casing or flow guiding means in...

Reexamination Certificate

active

07744338

ABSTRACT:
Various fluid turbine systems and methods are described. The turbine can be a vertical axis wind turbine configured to generate power from wind energy. The turbine system can have a blade assembly. The blade assembly can have a plurality of blades rotatable about an axis. The turbine system can have a concentrator positionable upwind and in front of a return side of the blade assembly. The concentrator can define a convex surface facing the wind. The turbine system can also have a variable concentrator positionable upwind of a push side of the blade assembly. The variable concentrator can be adjustable between a first position and a second position, the variable concentrator being capable of deflecting more wind toward the turbine in the first position than in the second position.

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PCT International Search Report, Application No. PCT/US2009/053934; dated Mar. 29, 2010.

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