Rotor supporting structure of a windmill

Details Rotor supporting structure of a windmill Rotor supporting structure of a windmill

F - Mech Eng,Light,Heat,Weapons

03

D

F03D 3/00 (2006.01) F03D 3/02 (2006.01)

Patent

CA 2475562

A rotor supporting structure of a windmill includes a frame and a rotor provided rotatively around the vertical shaft center. The rotor includes bosses located above and below, plural transversal blades extending radially from the bosses, longitudinal blades held by the front edges of the transversal blades of both above and below bosses. The frame includes bearings supporting the bosses of the rotor rotatively around the vertical shaft center, spokes provided radially supporting the bearing, and legs holding the spoke away from the ground. In the lower bearing a generator connected to the boss of the rotor is accommodated.

L'invention concerne une éolienne (10) destinée à la production d'énergie éolienne et comprenant une structure de type tour (11) et un élément rotatif (12) installé rotatif dans cette structure autour de son axe vertical, cet élément rotatif (12) comportant également des bossages (23, 24) disposés sur ses côtés supérieur et inférieur, une pluralité d'aubes latérales (25) se prolongeant radialement à partir de ces bossages, ainsi que des aubes verticales (26) retenues par les pointes de la paire d'aubes latérales des côtés supérieur et inférieur. Ladite structure (11) comprend en outre des supports (19, 20) supportant les bossages (23, 24) de l'élément rotatif de manière rotative autour de son axe vertical, des ailettes (17) disposées radialement de façon à supporter lesdits supports, ainsi qu'une barre (15) destinée à maintenir les ailettes (17) à distance du sol. Un générateur connecté au bossage (24) de l'élément rotatif (12) est installé dans le support du côté inférieur (20).

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