Air conditioner

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United States of America Patent

PATENT NO 9995303
SERIAL NO

14646077

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A cross-flow fan includes an impeller and a shaft. The impeller includes a plurality of support plates and a plurality of blades. The blades are different in a blade cross section orthogonal to an impeller rotational axis, and each have a plurality of regions arranged in a direction of the impeller rotational axis and a coupling portion formed so as to couple the plurality of regions to each other. A rib is formed on the coupling portion, or formed in a region adjacent to the coupling portion within a range separated away from the coupling portion by up to 20% of a length of the region adjacent to the coupling portion in the rotational axis direction.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI ELECTRIC CORPORATIONTOKYO 100-8310

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayashi, Takehiro Tokyo, JP 43 373
Ikeda, Takashi Tokyo, JP 403 3689
Shirota, Mitsuhiro Tokyo, JP 24 108
Yamaguchi, Yoshitaka Tokyo, JP 60 705

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