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:
Sep. 30, 2025
Filed:
Jul. 12, 2022
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Junji Iwatani, Tokyo, JP;
Kai Karikomi, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
An electric fan includes a boss part; an outer peripheral part around the boss part; a rotor blade between the boss part and the outer peripheral part and rotatably supported about the boss part; a drive unit on the outer peripheral part to rotate the rotor blade; and a stator vane on a downstream side of the rotor blade in a flowing direction of fluid between the boss part and the outer peripheral part. The stator vane includes main bodies spaced apart in a peripheral direction, and one of the main bodies that is in a region where an obstacle is disposed on a radially outside is provided with a guide part that guides fluid to an inner diameter side, on a leading edge part on an upstream side in the flowing direction of fluid or an end portion on a suction surface side, on the inner diameter side.