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:
Dec. 25, 2018
Filed:
Apr. 11, 2016
Applicant:
Minebea Co., Ltd., Kitasaku-gun, Nagano, JP;
Inventor:
Shuichi Otsuka, Nagano, JP;
Assignee:
Minebea Co., Ltd., Nagano, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/02 (2006.01); H02K 5/10 (2006.01); H02K 5/128 (2006.01);
U.S. Cl.
CPC ...
H02K 5/10 (2013.01); H02K 5/128 (2013.01);
Abstract
A fan device includes: a stator core having a plurality of salient poles that protrude outwards in a radial direction; a rotor magnet that is rotatably provided outside the stator core; and a dustproof cover mounted to the stator core and positioned between the stator core and the rotor magnet, wherein the dustproof cover has a cylindrical part having an inner surface being provided with one or more convex part, the convex part being fitted into a slot gap between distal ends of adjacent two of the salient poles.