Abstract: An electric machine for a vehicle comprises a housing, a rotor shaft, a first fan member, and a second fan member. The housing includes a first end portion having at least one air inlet opening and an opposite second end portion having at least one air outlet opening. The rotor shaft extends through at least one of the first end portion and the second end portion and is configured to rotate relative to the housing. The first fan member is located within the housing and is mounted on the rotor shaft. The second fan member is located outside of the housing and is mounted on the rotor shaft. Rotation of the rotor shaft causes each of the first and second fan members to generate an airflow from the at least one air inlet opening to the at least one air outlet opening.

Abstract: An electric machine for a vehicle comprises a housing, a rotor shaft, a first fan member, and a second fan member. The housing includes a first end portion having at least one air inlet opening and an opposite second end portion having at least one air outlet opening. The rotor shaft extends through at least one of the first end portion and the second end portion and is configured to rotate relative to the housing. The first fan member is located within the housing and is mounted on the rotor shaft. The second fan member is located outside of the housing and is mounted on the rotor shaft. Rotation of the rotor shaft causes each of the first and second fan members to generate an airflow from the at least one air inlet opening to the at least one air outlet opening.

Abstract: An improved generator fan serves to draw air into the generator through an inlet in the generator housing, pass the air through the rotor and stator, and direct the air out openings in the generator housing. The fan of the present invention includes a disc and at least one multi-directional blade extending from the disc. The multi-direction blade includes a leading segment extending from the disc between a first radius measured from the axis of rotation and a second radius, the leading segment including a leading edge extending from the disc at an angle of about ninety degrees from the disc, the leading segment extending from the disc with an increasing angle along the length of the leading segment; and a trailing segment extending from the disc between the second radius and a third radius measured from the axis of rotation, the third radius being greater than the second radius and the trailing segment extending from the disc with an angle having a rate of change different than the leading segment.

Abstract: A dynamoelectric machine including a stator including a stator winding consisting of five phases inserted in a plurality of slots defining the stator; and a rotor rotatable within the stator, a rotor composed of more than two flux carrying segments, each segment having P/2 claw poles, wherein P is an even number.