Motor drive apparatus

Details Motor drive apparatus Motor drive apparatus

E - Fixed Constructions

05

F

E05F 15/10 (2006.01) E05F 15/16 (2006.01) G05B 9/02 (2006.01) E05F 15/00 (2006.01)

Patent

CA 2354800

An apparatus for driving a motor that opens and closes the window of vehicle, for example, is so adapted that when the vehicle becomes submersed in the sea, a lake or a river, etc., the window is prevented from being closed owing to malfunctioning of a relay caused when a leakage current flows into an operating switch for opening and closing the window. When submersion is sensed and it is sensed that the motor is being rotated by a malfunction in a direction that closes the window, a relay for rotating the motor in the forward direction is actuated. This prevents the occurrence of a situation in which the motor is caused to rotate (especially in the direction that closes the window) regardless of the fact that the operating switch has not been operated.

L'invention concerne une commande destinée à commander l'ouverture/fermeture par un moteur d'une vitre de véhicule. Lorsque le véhicule est immergé dans la mer, un lac ou une rivière, la commande empêche un courant de fuite de pénétrer dans un commutateur de commande d'ouverture/fermeture de la vitre, ce qui évite un dysfonctionnement d'un relais destiné à fermer la vitre. Dès la détection de l'immersion et de la rotation incorrecte du moteur dans un sens de fermeture de la vitre, un relais de rotation du moteur est activé. Cela empêche le moteur de tourner (notamment dans un sens de fermeture de la vitre) même si le commutateur de commande n'est pas actionné.

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