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:
Sep. 23, 2025

Filed:

Jan. 26, 2024
Applicant:

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

Inventors:

Atsushi Yanagisawa, Tokyo, JP;

Katsumichi Ishihara, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 25/06 (2006.01); F04D 19/00 (2006.01); F04D 29/52 (2006.01); F04D 29/66 (2006.01); H02K 5/10 (2006.01);
U.S. Cl.
CPC ...
F04D 25/0693 (2013.01); F04D 19/002 (2013.01); F04D 25/0613 (2013.01); F04D 25/068 (2013.01); F04D 29/52 (2013.01); F04D 29/66 (2013.01); F04D 29/667 (2013.01); H02K 5/10 (2013.01);
Abstract

An axial fan includes an impeller configured to be driven by a motor and rotate about a rotation axis, a control board configured to supply electric power to the motor, and a cover portion covering the control board, in which a lead wire is attached to the control board, the cover portion includes a top surface facing the control board; and a side peripheral surface extending from the top surface in a direction of the rotation axis, the top surface is provided with a first window portion, the first window portion is configured to allow a potting agent that seals the lead wire to be introduced therethrough, the side peripheral surface is provided with a second window portion, the second window portion is configured to allow the lead wire to be pulled out therethrough, and the first window portion is separated from the second window portion by a bridge portion.


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