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.:
Date of Patent:
Aug. 12, 2025
Filed:
Nov. 18, 2022
Applicant:
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Inventors:
Junji Iwatani, Tokyo, JP;
Takehiko Imai, Tokyo, JP;
Yasutaka Aoki, Tokyo, JP;
Masayuki Sakai, Tokyo, JP;
Naotaka Uchimichi, Tokyo, JP;
Tsuyoshi Kitamura, Tokyo, JP;
Akihiro Nakaniwa, Tokyo, JP;
Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64D 27/34 (2024.01); B64D 27/32 (2024.01); B64D 33/04 (2006.01); B64D 33/08 (2006.01);
U.S. Cl.
CPC ...
B64D 27/34 (2024.01); B64D 27/32 (2024.01); B64D 33/04 (2013.01); B64D 33/08 (2013.01);
Abstract
An electric fan includes: an electric motor that includes an output shaft extending along an axis line and a tubular housing centered on the axis line; an inner duct provided on a downstream side of the electric motor; a plurality of blades mounted on the output shaft; and a cooling member having a plurality of fins provided on an outer peripheral surface of the housing.