Drive device having motor and speed reduction mechanism

Details Drive device having motor and speed reduction mechanism Drive device having motor and speed reduction mechanism

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 41/06 (2006.01) B60J 1/17 (2006.01) E05F 15/10 (2006.01) E05F 15/16 (2006.01) F16D 41/061 (2006.01) F16D 41/066 (2006.01) F16D 41/067 (2006.01) F16D 41/10 (2006.01) F16D 43/02 (2006.01) F16H 1/16 (2006.01) H02K 7/116 (2006.01) E05F 11/50 (2006.01) H02K 7/10 (2006.01)

Patent

CA 2338578

A driving apparatus is disclosed for driving a driven device such as a lifting mechanism (8) for moving up and down a windowpane (9). The driving apparatus comprises a motor (5) including a rotating shaft (13), and an output unit (6; 80) coupled to the motor. The output unit comprises a decelerating mechanism (42, 43, 56; 56, 92) for decelerating the rotation of the rotating shaft. A clutch (21; 71; 81; 200; 300) is located between the rotating shaft and the decelerating mechanism. The clutch allows transmission of rotation from the rotating shaft to the decelerating mechanism, and blocks transmission of rotation from the decelerating mechanism to the rotating shaft. The clutch located between the rotating shaft and the decelerating mechanism is not applied with a large load. For this reason, the strength required for the clutch can be reduced to provide the clutch in a smaller size.

L'invention concerne un dispositif de commande pour entraîner un dispositif mené, tel qu'un mécanisme de levage (8) d'un carreau de verre (9). Le dispositif de commande comprend un moteur (5) équipé d'un arbre rotatif (13) et d'organes de sortie (6, 80) connectés au moteur. Les organes de sortie sont munis de mécanismes de réduction de la vitesse (42, 43, 56, 92) qui ralentissent la rotation de l'arbre rotatif. Des embrayages (21, 71, 81, 200, 300) installés entre l'arbre rotatif et les mécanismes de réduction de la vitesse autorisent la transmission d'une rotation de l'arbre rotatif aux mécanismes de réduction de la vitesse et empêchent la transmission de la rotation dans le sens inverse. On évite ainsi qu'une charge importante ne soit appliquée sur les embrayages disposés entre l'arbre rotatif et les mécanismes de réduction de la vitesse. La force requise pour les embrayages peut donc être réduite de manière à réduire la taille des embrayages.

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