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:
Apr. 10, 2018

Filed:

Jul. 23, 2015
Applicants:

Minebea Co., Ltd., Kitasaku-gun, Nagano, JP;

Toyota Boshoku Kabushiki Kaisha, Kariya-shi, Aichi-ken, JP;

Inventors:

Seiya Fujimoto, Fukuroi, JP;

Hitoshi Ikuta, Fukuroi, JP;

Atsushi Tsuzaki, Toyota, JP;

Yuya Inoue, Gifu, JP;

Yumi Asano, Seto, JP;

Assignees:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/42 (2006.01); F04D 17/08 (2006.01); F04D 29/28 (2006.01); F04D 17/16 (2006.01); F04D 25/06 (2006.01); F04D 29/70 (2006.01);
U.S. Cl.
CPC ...
F04D 29/4226 (2013.01); F04D 17/08 (2013.01); F04D 17/16 (2013.01); F04D 25/0613 (2013.01); F04D 29/281 (2013.01); F04D 29/703 (2013.01); F05D 2250/52 (2013.01);
Abstract

A centrifugal fan includes: an impeller; an upper casing that is disposed above the impeller; a lower casing that is disposed below the impeller; an outlet port that is provided between the upper casing and the lower casing and from which an air suctioned by rotation of the impeller is discharged, wherein the upper casing is provided with a flange that protrudes in an outer radial direction of the impeller from an outer circumferential edge of the upper casing, and wherein the flange partially covers the outlet port when viewed from a direction perpendicular to a rotation axis of the impeller.


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