Base unit, motor, and air blowing device

[0039]Hereinafter, exemplary embodiments of the disclosure will be described in detail with reference to drawings. Note that, in the specification, with regard to a base unit 1, a motor 200, and an air blowing device 100, a direction parallel to a central axis C of the base unit 1 will be referred to as an “axial direction”, a direction orthogonal to the central axis C of the base unit 1 will be referred to as a “radial direction”, and a direction along an arc around the central axis C of the base unit 1 will be referred to as a “circumferential direction”.

[0040]Similarly, with regard to an impeller 102, directions that coincide with the axial direction, the radial direction, and the circumferential direction of the air blowing device 100 in a state where the impeller 102 is incorporated in the air blowing device 100 will be simply referred to as an “axial direction”, a “radial direction”, and a “circumferential direction”. In addition, in the specification, the shape of each portion a