Blower and cleaner
AssigneeNidec Corporation
InventorRyosuke HAYAMITSU
Life of this patent
Estimating the term…
Abstract
A blower includes a motor including a shaft that is disposed along a vertically extending central axis, an impeller fixed to the shaft and rotating around the central axis, a motor housing at least a portion of which is disposed on an outside of the motor in a radial direction, a blower case at least a portion of which is disposed on the outside of the motor in the radial direction from an outer surface of the motor housing in the radial direction, and a circuit board below the motor housing and circuit elements disposed therein. A lower end portion of the motor housing includes a housing contraction portion, in which a length of the motor housing in the radial direction decreases as it extends downwardly.
Claims16
A blower comprising:
- a motor including a shaft that is disposed along a vertically extending central axis;
- an impeller fixed to the shaft and rotatable around the central axis;
- a motor housing at least a portion of which is disposed on an outside of the motor in a radial direction;
- a blower case at least a portion of which is disposed on the outside of the motor in the radial direction from an outer surface of the motor housing in the radial direction;
- and
- a circuit board which is disposed below the motor housing and in which a plurality of circuit elements are disposed;
- wherein
- a lower end portion of the motor housing includes a housing contraction portion in which a length of the motor housing in the radial direction decreases downwardly.
Dependencies are inferred from the claim text.