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US 2019/0195232 A1Published application
Blower
AssigneeNidec Corporation
InventorsKunio SAKURADA, Hiroshi MORISHITA, Akinobu SUMIJI, Hirotaka TAMEKUNI
Life of this patent
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Abstract
A blower includes an impeller that is rotatable about a central axis extending in a vertical direction, a motor that rotates the impeller, and a base portion on which the motor is mounted. The impeller includes a cup portion that covers the motor, and blades extending radially outward from the cup portion and arranged in a circumferential direction. A gap is provided between the cup portion and the base portion such that the gap becomes narrower in an outward direction with increasing distance from an interior of the cup portion.
Claims12
A blower comprising:
- an impeller that is rotatable about a central axis extending in a vertical direction;
- a motor to rotate the impeller;
- and
- a base portion on which the motor is mounted;
- wherein the impeller includes:
- a cup portion that covers the motor;
- and
- a plurality of blades extending radially outward from the cup portion and arranged in a circumferential direction;
- and
- a gap is provided between the cup portion and the base portion such that the gap becomes narrower in an outward direction with increasing distance from an interior of the cup portion.
7 more elements
Dependencies are inferred from the claim text.