Axial fan and refrigerator

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10781826
APP PUB NO 20180135649A1
SERIAL NO

15791454

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An axial fan includes an impeller, a motor, and a housing. The impeller is configured to rotate about a rotation axis extending in a vertical direction; a motor configured to rotationally drive the impeller. The housing is disposed radially outside the impeller and the motor. An inner wall surface of the housing includes a groove recessed radially outward and extending in the vertical direction. At least a first end of the groove in the vertical direction extends to one end of the housing in the vertical direction.

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First Claim

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Family

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Patent Owner(s)

Patent OwnerAddress
NIDEC CORPORATIONKYOTO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishida, Ryosuke Kyoto, JP 24 86
Nagasawa, Jun Kyoto, JP 12 45

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