Mitsuba Corporation

Webasto Se

Yutaro Jo

Yasushi Yoshida

Daiki Yamamoto

Werner Lissner

Junichi Busujima

Naoki Ogata

Terumasa Hoshino

In a motor device, since the bearing support member mounted to the housing and supporting, from the axial direction, the another axial side of the ball bearing (outer race) includes the annular support part (annular flat surface) which supports, from the axial direction, the entire circumference of the another axial side of the ball bearing (outer race), tilting of the ball bearing with respect to the housing can be suppressed in the case where a lateral force acts on the rotating shaft. Therefore, it is possible to improve the fixing strength of the ball bearing to the housing, and thus suppress rattling of the speed reduction mechanism.

Motor device

A casehas a total of first to sixth flat partsA toF arranged in a circumferential direction of the caseand a total of first to sixth arced partstoconnecting adjacent flat parts with each other. When viewed in an axial direction of a shaft, inner circumferential surfaces CF of the first to sixth arced partstoare each formed in an arced shape having a radius Rand a center AC of the caseas the center. In addition, since the statoris only supported by the inner circumferential surfaces CF (six in total), the press-fit load of the statorwith respect to the casecan be reduced, and it is possible to increase the assembling accuracy.

Motor having a case for accommodating a stator

In a motor device, since a first conductive plate and a second conductive plate are provided to cover a housing, it is possible to prevent electrical noise from being radiated to the outside of the housing, and thus it is possible to take more sufficient countermeasures against electrical noise. Therefore, it is possible to further suppress adverse effects on in-vehicle equipment such as a car audio. In addition, since the first conductive plate and the second conductive plate are respectively electrically connected and collectively fixed by the first fixing member and the second fixing member, the assemblability of the sunroof motor can also be improved.

Electric motor

Growing community of inventors

Gunma, Japan

Yutaro Jo