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:
Oct. 04, 2016
Filed:
Mar. 11, 2013
Nidec Corporation, Kyoto, JP;
Seung-sin Yoo, Kyoto, JP;
Tomohiro Hasegawa, Kyoto, JP;
Shunji Matsumoto, Kyoto, JP;
Kazuo Tanaka, Kyoto, JP;
Takuro Kawano, Kyoto, JP;
Yuji Katsurayama, Kyoto, JP;
Atsushi Mukai, Kyoto, JP;
Noriaki Yamamoto, Kyoto, JP;
NIDEC CORPORATION, Kyoto, JP;
Abstract
A centrifugal fan includes an impeller, a motor portion, and a housing. The housing includes an upper plate portion, a lower plate portion arranged to have the motor portion fixed thereto; and a side wall portion. A flow control member is arranged to extend in a line along a boundary between an inside surface of the side wall portion and one of a lower surface of the upper plate portion and an upper surface of the lower plate portion. The flow control member includes a flow control surface arranged to extend radially outward from the one of the lower surface of the upper plate portion and the upper surface of the lower plate portion to the inside surface of the side wall portion while becoming more distant from the one of the lower surface of the upper plate portion and the upper surface of the lower plate portion.