Electric fan

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9249788
APP PUB NO 20130287605A1
SERIAL NO

13978786

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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This electric fan has a rotation shaft that is provided rotatably with respect to a stator, a rotor yoke provided on the rotation shaft and formed in a bottomed cylindrical shape so as to cover the stator from a front surface, and a bracket that fixes the stator to a fan shroud and is formed so as to cover a rear surface of the stator, with a fan body provided so as to integrally rotate with the rotation shaft and the rotor yoke. The fan body has a fan boss formed in a bottomed cylindrical shape so as to cover the rotor yoke from a front surface, and a plurality of blades that is provided protruding radially from an outer circumferential surface of the fan boss. A first labyrinth portion is provided between an opening portion of the fan boss and the fan shroud.

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First Claim

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Family

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Patent Owner(s)

  • MITSUBA CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hosoi, Keiichi Kiryu, JP 9 15
Kimura, Hiroshi Kiryu, JP 313 3700
Masuyama, Hiroki Kiryu, JP 2 4
Saito, Shinya Kiryu, JP 113 500

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