Wind machine with slanted blades

Details Wind machine with slanted blades Wind machine with slanted blades

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 1/04 (2006.01) F03D 9/00 (2006.01)

Patent

CA 2355690

A wind machine which is mounted on a vertical mast (2) which cooperates with a propeller (1) which is actuated by the wind and cooperates with an alternator in order to provide electric power. The propeller (1) is fitted with slanted blades (6) which are supported by a large-diameter hub (7) with a horizontal axis and whose generators are located along the trunk of the cone facing the wind. The invention is characterized in that the alternator comprises a magnetic rotor (4) which is fixed to the hub, preferably at a maximum diameter, in addition to a magnetic coil stator (5) which is adjacent to the rotor (4), according to a partial or total crown and fixed to a fixed frame (22) which is joined to a revolving hood (9) extending the hub (7) coaxially thereto. The invention is further characterized in that the blades (6) are surrounded close to the ends thereof (55) by a divergent and relatively short circular fairing (8) which is concentrically mounted with respect to the hub (7).

Eolienne montée sur un mât vertical (2) et comportant une hélice (1) actionnée par le vent et coopérant avec un alternateur pour fournir de l'énergie électrique, cette hélice (1) étant équipée de pales obliques (6) portées par un moyeu (7) de gros diamètre, d'axe horizontal, et dont les génératrices sont situées le long d'un tronc de cône, face au vent, caractérisée en ce que l'alternateur comporte d'une part un rotor magnétique (4) fixé au moyeu (7) de préférence au niveau du diamètre maximal disponible et d'autre part un stator (5) à bobines magnétiques, adjacent au rotor (4), selon une couronne partielle ou totale, et fixé à un châssis fixe (22) solidaire d'un capot de révolution (9) prolongeant le moyeu (7), coaxiallement à celui-ci; et les pales (6) sont entourées, à proximités de leurs extrémités (55), par un carénage circulaire divergent (8) de longueur relativement faible monté concentriquement au moyeu (7).

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