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:
Apr. 08, 2025
Filed:
Mar. 01, 2022
Fujitsu General Limited, Kanagawa, JP;
Hirotaka Sawada, Kanagawa, JP;
FUJITSU GENERAL LIMITED, Kanagawa, JP;
Abstract
A fan includes a multi wing fan and a mechanism configured to rotate the multi wing fan around a rotation axis, wherein the multi wing fan includes two impellers lined in an axial direction is parallel to the rotation axis, and a partition plate arranged along a plane perpendicular to the rotation axis, the partition plate includes a body part that separates the two impellers, and an outer circumferential part that surrounds an outer circumferential side of the body part, the outer circumferential part gets thinner toward an outer circumferential edge of the partition plate, the outer circumferential edge includes a first outer circumferential edge part, and a second outer circumferential edge part different from the first outer circumferential edge part, and a position of the first outer circumferential edge part in the axial direction is different from a position of the second outer circumferential edge part in the axial direction.