Three-vaned drag-type wind turbine

Details Three-vaned drag-type wind turbine Three-vaned drag-type wind turbine

2011-03-01

2011-03-01

Look, Edward (Department: 3745)

Rotary kinetic fluid motors or pumps

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

Natural fluid current force responsive

C416S19700C, C416SDIG004

Reexamination Certificate

active

07896608

ABSTRACT:
A novel three-vaned, drag-type wind turbine, wherein air, when it exits a first vane, is split into two flow paths. A first path is directed to a second vane, while a second path is directed to a third vane. The air, then, impinges on a plurality of vanes wherein the momentum of the air is altered, thus providing the force needed to drive the wind turbine. In a first embodiment, a wind shield is used to deflect a portion of the wind from entering the wind turbine, this portion being in a region where the vanes are rotating into the wind. In second embodiment, the wind shield is not used.

REFERENCES:
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patent: 4359311 (1982-11-01), Benesh
patent: 4362470 (1982-12-01), Locastro et al.
patent: 5494407 (1996-02-01), Benesh
patent: 6283711 (2001-09-01), Borg
patent: 7008171 (2006-03-01), Whitworth
patent: 7220107 (2007-05-01), Kaneda

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