Patent ID: 7550888

Claim:
A blower motor for a vehicle air conditioning system, comprising: a motor main body that includes: a motor yoke; an armature that is received in the motor yoke and has a rotatable shaft; a plurality of magnets that are installed to an inner peripheral surface of the motor yoke; two power supply brushes that are diametrically opposed to each other about a rotational center of the rotatable shaft; and a motor holder that receives the motor main body and includes a plurality of holding portions, which are provided to an inner peripheral surface of the motor holder and are engaged with an outer peripheral surface of the motor yoke to hold the motor main body, wherein the plurality of holding portions is arranged generally symmetrically about a reference line, which is perpendicular to a rotational axis of the rotatable shaft and passes through the rotational center of the rotatable shaft and a circumferential center of each of the two power supply brushes, and an uninterrupted gap is provided along the outer peripheral surface of the motor yoke between each adjacent two of the plurality of holding portions in a rotational direction of the rotatable shaft to radially space the outer peripheral surface of the motor yoke from the inner peripheral surface of the motor holder.