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.

Date of Patent:
Jan. 21, 2025

Filed:

Jul. 07, 2023
Applicant:

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

Inventors:

Yoshihisa Yamazaki, Tokyo, JP;

Masashi Miyazawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/06 (2006.01); F04D 19/00 (2006.01); F04D 25/06 (2006.01); F04D 29/52 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F04D 29/668 (2013.01); F04D 19/002 (2013.01); F04D 25/0613 (2013.01); F04D 29/522 (2013.01);
Abstract

Provided is an axial fan including: 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. A vibration restraining portion is provided in a portion, which is connected to the spoke portion, of an outer peripheral portion of the base portion, and the vibration restraining portion has lower stiffness than the other portion of the outer peripheral portion.


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