Rotor

Details Rotor Rotor

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 7/00 (2006.01) F01D 7/02 (2006.01) F03B 3/06 (2006.01) F03B 3/14 (2006.01) F03D 1/06 (2006.01) F03D 7/02 (2006.01) F03D 7/04 (2006.01)

Patent

CA 2365346

The invention concerns a rotor intended to rotate in a fluid flowing in a flow direction (A) and comprising a plurality of rotor blades (2), at the most four blades, which are arranged to rotate about an axis of rotation (3). Each blade (2) forms a single-curved surface the generatrix of which extends in a plane normal to the axis of rotation, and an imaginary plane interconnecting the leading edge and trailing edge of the blade forms an acute angle with the axis of rotation (3). In addition, each blade is pivotally mounted for pivotal movement about a pivot shaft (8) in order to adjust said angle, said pivot shaft (8) extending in a plane that is normal to the axis of rotation (3) and is parallel to and spaced a distance (d) from an imaginary radius (9) radiating from the axis of rotation (3). The rotor is very silent and provides efficient energy conversion, for example extraction of wind power.

L'invention porte sur un rotor tournant dans un fluide s'écoulant dans une direction (A) et comportant des pales (2), au plus quatre, tournant autour d'un axe (3) de rotation. Chacune des pales (2) présente une surface d'une seule courbure dont la génératrice s'étend dans un plan normal à l'axe de rotation, le plan imaginaire reliant le bord d'attaque au bord de fuite d'une pale formant un angle aigu avec l'axe (3) de rotation. De plus, chaque pale est montée pivotante sur un axe (8) de pivotement pour permettre de régler le susdit angle. Ledit axe de pivotement (8) s'étend dans un plan normal à l'axe de rotation (3) et parallèle à, et séparé d'une distance (d), d'un rayon imaginaire (9) partant de l'axe de rotation (3). Ce rotor, très silencieux, à un rendement de conversion efficace par exemple pour la capture d'énergie éolienne.

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