Motor unit with rotation detecting mechanism

G - Physics – 01 – P

Patent

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Details

G01P 3/44 (2006.01) H02K 11/00 (2006.01) H02K 7/116 (2006.01)

Patent

CA 2226815

A motor unit capable of preventing a sensor magnet made to rotate integrally with its output shaft from being pivotally supported in an inclined condition with respect to a case cover. The sensor magnet (18) and the output shaft (11) are coupled to each other through a first holder (15) fitted to the output shaft (11) so as to rotate integrally with said out put shaft (11), a second holder (17) fitted to the sensor magnet (18) so as to rotate integrally with said sensor magnet and rotatably supported by the case cover (19), and a setting rubber (16) placed between both the holders (15), (17) and including engaging leg portions and engaging catch portions respectively engaging with the first holder and the second holder without looseness in the circumferential direction.

Moteur pouvant empêcher un aimant détecteur conçu pour tourner en même temps avec son arbre de sortie d'être supporté de manière pivotante dans une position inclinée par rapport à un couvercle de carter. L'aimant détecteur (18) ainsi que l'arbre de sortie (11) sont accouplés l'un à l'autre par un premier support (15) monté sur l'arbre de sortie (11) de manière à tourner en même temps que ledit arbre de sortie (11), un deuxième support (17) est monté à l'aimant détecteur (18) de manière à tourner en même temps que ledit aimant détecteur et supporté en rotation par le couvercle de carter (19) et un caoutchouc de calage (16) est placé entre les deux supports (15, 17); des pattes de contact et des crochets viennent se verrouiller sans jeu, respectivement sur le premier et le deuxième supports dans l'axe de rotation.

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