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US Patent 9051941 Axial-flow fan

Patent 9051941 was granted and assigned to Daikin Industries, Ltd. on June, 2015 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 11976872 Axial flow fan, air-sending device, and refrigeration cycle apparatus
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Patent Citations Received
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US Patent 11920609 Axial fan and refrigeration cycle apparatus
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Patent abstract

An axial-flow fan has a blade with a recessed part that is recessed toward a front edge formed in a rear edge of the blade. A rounded stress-relieving part is formed in a positive pressure surface side and a negative pressure surface side of a front-edge-side edge part of the recessed part as seen in a cross-sectional view of the blade.

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Patent Inventor Names
Azumi Kojima0
Yuuta Yokoyama0
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US Patent 09051941 Axial-flow fan US Patent 9051941 Axial-flow fan

Infobox
Patent Number
090519410
Patent Number
90519410
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=090519410
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Infobox
Is a
Patent
Patent
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Patent Applicant
Daikin Industries, Ltd.
Daikin Industries, Ltd.
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Current Assignee
Daikin Industries, Ltd.
Daikin Industries, Ltd.
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
090519410
Date of Patent
June 9, 2015
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Patent Application Number
143677600
Date Filed
December 26, 2012
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=090519410
Patent Primary Examiner
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Nathaniel Wiehe
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=09051941
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 US Patent 09051941 Axial-flow fan

Infobox
Is a
Patent
Patent
Patent applicant
Daikin Industries, Ltd.
Daikin Industries, Ltd.
Current assignee
Daikin Industries, Ltd.
Daikin Industries, Ltd.
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
09051941
Date of patent
June 9, 2015
Patent application number
14367760
Date Filed
December 26, 2012
Patent primary examiner
‌
Nathaniel Wiehe

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