US Patent 8231343 Axial fan apparatus, axial-flow impeller, and electronic apparatus
Patent 8231343 was granted and assigned to Sony on July, 2012 by the United States Patent and Trademark Office.
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Patent abstract
Provided is an axial fan apparatus including a housing and an axial-flow impeller. The axial-flow impeller is capable of rotating inside the housing and includes a plurality of axial-flow wings each having a negative pressure generation surface for generating a negative pressure, and an auxiliary vane standing on the negative pressure generation surface at an end portion of each of the plurality of axial-flow wings.
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Patent Inventor Names
Kazutoshi Yamamoto0
Shun Kayama0
Yukiko Shimizu0
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US Patent 08231343 Axial fan apparatus, axial-flow impeller, and electronic apparatus US Patent 8231343 Axial fan apparatus, axial-flow impeller, and electronic apparatus
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Patent Number
08231343
Patent Number
8231343
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US Patent 08231343 Axial fan apparatus, axial-flow impeller, and electronic apparatus
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Is a
Current assignee
Patent jurisdiction
Patent number
08231343
Date of patent
July 31, 2012
Patent application number
12045376
Date Filed
March 10, 2008
Patent primary examiner
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