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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12577959 B1

PDFFull Text
Date of Patent:
Mar. 17, 2026

Filed:

Aug. 18, 2023

Axial fan

Applicant:

Sanyo Denki Co., Ltd., Tokyo, JP;

Inventors:

Yoshihisa Yamazaki, Tokyo, JP;

Satoshi Tateyama, Tokyo, JP;

Assignee:

SANYO DENKI CO., LTD., Tokyo, JP;

Attorney:

RANKIN, HILL & CLARK LLP

Primary Examiner:

Charles G Freay

Assistant Examiner:

Joseph S. Herrmann

Int. Cl.
CPC ...
F04D 29/52 (2006.01); F04D 19/00 (2006.01); F04D 25/06 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F04D 29/522 (2013.01); F04D 19/002 (2013.01); F04D 25/06 (2013.01); F04D 25/0613 (2013.01); F04D 29/665 (2013.01); F04D 29/667 (2013.01);
Abstract

An axial fan includes: an impeller cup including a blade extending in a radial direction; a motor configured to rotate the impeller cup; and a housing accommodating the impeller cup and the motor. The housing includes: a casing portion covering an outer periphery of the impeller cup; a base portion supporting the motor; and a spoke portion connecting the base portion and the casing portion. The casing portion includes an inlet surface where air is drawn in, and an outlet surface where air is discharged. The casing portion is provided with a level difference portion at least partially in an inner peripheral surface of the casing portion on the outlet surface side.

Find Patent Forward Citations

Yamazaki, Yoshihisa. (2026). Axial fan (U.S. Patent No. 12577959). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12577959

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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