A drum motor

F - Mech Eng,Light,Heat,Weapons – 16 – H

Patent

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Details

F16H 57/02 (2006.01) B65G 23/08 (2006.01) H02K 7/10 (2006.01)

Patent

CA 2305135

The present invention relates to a drum motor (1) comprising a driving means (7), a gear transmission and a driven means, said gear transmission being constructed as a plurality of planet transmissions (18, 20, 22) in the form of sun wheels (130) and planet wheels (144) arranged successively in the interior of an internally toothed rim (100), said driven means being in the form of a cylindrical drum (3) which contains the driving means (7) and the toothed rim (100), and which rotates about a longitudinal axis A. The invention is characterized in that the toothed rim (100) is formed by at least two juxtaposed ring-shaped segments (110, 115, 125) which provide a separate annulus for each planet transmission, and that means (120, 122, 200) are provided to secure the ring-shaped segments (110, 115, 125) against mutual rotation about the longitudinal axis A.

La présente invention concerne un moteur à tambour (1), comprenant un organe d'entraînement (7), une boîte de vitesses, et un organe entraîné, ladite boîte de vitesses se présentant sous la forme de plusieurs transmissions planétaires (18, 20, 22), conçues comme des roues solaires (130) et planétaires (144) disposées successivement à l'intérieur d'une jante intérieurement dentée (100). L'organe entraîné se présente sous la forme d'un tambour cylindrique (3), qui contient ledit organe d'entraînement (7) ainsi que la jante dentée (100), ce tambour étant par ailleurs conçu pour pivoter autour d'un axe longitudinal A. Selon cette invention, ladite jante dentée (100) est constituée d'au moins deux segments juxtaposés en forme d'anneau (110, 115, 125), qui forment un espace annulaire séparé pour chaque transmission planétaire, et des organes (120, 122, 200) permettent d'empêcher ces segments juxtaposés en forme d'anneau (110, 115, 125) de pivoter l'un par rapport à l'autre autour de l'axe longitudinal A.

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