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:
Mar. 01, 2016
Filed:
Mar. 11, 2013
Nidec Corporation, Kyoto, JP;
Junzo Fujinawa, Kyoto, JP;
Masayuki Murakami, Kyoto, JP;
NIDEC CORPORATION, Kyoto, JP;
Abstract
A centrifugal fan according to a preferred embodiment of the present invention includes an impeller, a motor portion, and a housing. The housing includes an upper plate portion, a lower plate portion, and a side wall portion. The upper plate portion or the lower plate portion includes an air inlet. One of the upper and lower plate portions and the side wall portion together define a single housing component molded by casting. A portion of the one of the upper and lower plate portions which is along a boundary between the side wall portion and the one of the upper and lower plate portions defines an increased thickness portion arranged to have an axial thickness greater than that of a remaining portion of the one of the upper and lower plate portions.