Nidec Corporation

Guiling Zhang

Hidenobu Takeshita

Yasuyuki Kaji

A fan motor includes a motor including a stationary portion and a rotating portion arranged to rotate about a rotation axis extending in a vertical direction; an impeller including a plurality of blades, and arranged to rotate together with the rotating portion; a housing arranged to house the motor and the impeller therein; and a plurality of lead wires each of which is connected to the motor and is arranged to extend radially outward. The housing includes a tubular portion being tubular, and arranged to extend from an inlet side to an outlet side along the rotation axis, and house at least a portion of the impeller therein; a flange portion arranged to project radially outward from at least a portion of the tubular portion; a lead wire outlet defined in at least a portion of the tubular portion, and arranged to pass through the tubular portion in a radial direction; and a vertical groove arranged to be in communication with the lead wire outlet, and arranged to pass through the flange portion in an axial direction. The flange portion includes a first restricting portion arranged to extend toward the tubular portion. At least one of the lead wires is drawn radially outward through the lead wire outlet, and is held in the vertical groove radially inside of the first restricting portion.

Fan motor

A blower apparatus includes a casing, ribs located radially inward of the casing and integrally provided with the casing, a motor housing located radially inward of the ribs and integrally provided with the ribs, a first housing located radially inward of the motor housing, a first motor supported on one side in an axial direction by the first housing, a first impeller rotatable around the central axis on one side in the axial direction by the first motor, a second housing located on the other side of the first housing in the axial direction, a second motor supported on the other side in the axial direction by the second housing, and a second impeller rotatable around the central axis on the other side in the axial direction by the second motor. The second housing is fixed to the first housing.

Blower apparatus

An impeller includes a hub rotated about an up-down axis and inclined blades disposed circumferentially on a hub's outer circumferential surface. The outer circumferential surface includes a first surface including a portion axially overlapping the blade above its joined portion to the blade, a second surface including a portion axially overlapping the blade below the joined portion, and a connecting portion connecting a rotating-direction rear end of the first outer circumferential surface and a rotating-direction front end of the second outer circumferential surface. The connecting portion is arranged forward of a rotating-direction blade front edge. A distance from the axis to a first point, positioned at the rotating-direction rear end of the first outer circumferential surface, is not shorter than that from the axis to a second point, positioned at the rotating-direction front end of the second outer circumferential surface and at the same axial position as the first point.

Growing community of inventors

Kyoto, Japan

Guiling Zhang