Drive device for a windmill provided with two...

F - Mech Eng,Light,Heat,Weapons – 03 – D

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F03D 1/02 (2006.01)

Patent

CA 2505714

The drive device is provided for inclusion in a windmill with two counter-rotating screws (10, 100, 11). The shafts (12, 13) of the screws are each connected to a spindle (17, 18) of an epicyclical gearbox, the third spindle (19) providing the energy for the user (8). The device further comprises a brake device (15) simultaneously acting on the two shafts of the screws. In particular, said device permits the installation of a second screw on a windmill mast designed for a single screw, thus greatly increasing the power supplied.

Le dispositif d'entraînement est destiné à être intégré à une éolienne à deux hélices (10, 100, 11) contre rotatives. Les arbres (12, 13) des hélices sont chacun reliés à un axe (17, 18) d'un multiplicateur épicycloïdal, le troisième axe (19) fournissant l'énergie au consommateur (8). Le dispositif comprend en outre un dispositif de freinage (15) agissant simultanément sur les deux arbres d'hélices. Une telle disposition permet en particulier d'installer une deuxième hélice sur un mât d'éolienne conçu pour une seule hélice, augmentant ainsi notablement la puissance fournie.

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