High efficiency turbine and method of generating power

Details High efficiency turbine and method of generating power High efficiency turbine and method of generating power

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 3/06 (2006.01) F03B 3/12 (2006.01) F03B 13/10 (2006.01) F03B 13/22 (2006.01) F03D 11/04 (2006.01)

Patent

CA 2706192

The present invention is directed to a turbine comprising a plurality of blades that rotate in a single direction when exposed to fluid flow, wherein the plurality of blades are joined to the central shaft by a plurality of radial spokes disposed substantially perpendicular to the central shaft such that the rotating plurality of blades causes the shaft to rotate. The plurality of blades has a airfoil-shaped cross section, where the airfoil cross section presents a non-zero angle of attack to the current. The plurality of blades wind in a spiral trajectory, rotating around the central shaft and having a variable radius along the length of the central shaft such that a distance measured from the plurality of blades to the center shaft is greater near the center of the turbine than at either end.

La présente invention concerne une turbine comprenant une pluralité de pales qui tournent dans une seule direction lors de l'exposition à un flux de fluide, ladite pluralité de pales étant jointe à l'arbre central par une pluralité de rayons radiaux disposés sensiblement perpendiculairement à l'arbre central, de sorte que la rotation de la pluralité de pales fasse tourner l'arbre. La pluralité de pales ont une section transversale de forme aérodynamique, celle-ci présentant un angle d'attaque au courant différent de zéro. La pluralité de pales tournent selon une trajectoire en spirale, tournant autour de l'arbre central avec un rayon variable sur la longueur de l'arbre central, de sorte qu'une distance mesurée entre la pluralité de pales et l'arbre central soit supérieure près du centre de la turbine, par rapport à ses extrémités.

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