Axial flow fan
AssigneeMinebea Co., Ltd.
InventorsAtsushi TARODA, Yukihiro HIGUCHI, Tomoyoshi SASAJIMA
Life of this patent
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Abstract
An axial flow fan of the present invention includes: an impeller having a hub and vanes disposed at equal intervals on an outer peripheral portion of the hub; a rotor shaft located at the center of the impeller; a motor portion rotating the impeller around the rotor shaft as an axis; a casing surrounding an outer periphery of the impeller; a base portion supporting the motor portion; and a stationary blade located in a blowout opening side of air flow, the stationary blade connecting the base portion and the casing, wherein the stationary blade has on its surface a guide portion allowing air flow flowing along the surface to be rectified and guided from a direction of the blowout opening to an outside.
Claims6
An axial flow fan, comprising:
- an impeller having a hub and vanes disposed at equal intervals on an outer peripheral portion of the hub;
- a rotor shaft located at the center of the impeller;
- a motor portion rotating the impeller around the rotor shaft as an axis;
- a casing surrounding an outer periphery of the impeller;
- a base portion supporting the motor portion;
- and
- a stationary blade located in a blowout opening side of air flow, the stationary blade connecting the base portion and the casing,
- wherein the stationary blade has on its surface a guide portion allowing air flow flowing along the surface to be rectified and guided from a direction of the blowout opening to an outside.
Dependencies are inferred from the claim text.