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:
Sep. 13, 2011
Filed:
Mar. 12, 2007
Hiroyoshi Teshima, Kyoto, JP;
Kazumi Takeshita, Kyoto, JP;
Hideaki Konishi, Kyoto, JP;
Kiyoto Ida, Kyoto, JP;
Tsukasa Takaoka, Kyoto, JP;
Hiroyoshi Teshima, Kyoto, JP;
Kazumi Takeshita, Kyoto, JP;
Hideaki Konishi, Kyoto, JP;
Kiyoto Ida, Kyoto, JP;
Tsukasa Takaoka, Kyoto, JP;
Nidec Corporation, Kyoto, JP;
Abstract
A centrifugal fan includes a motor having an impeller and a housing for accommodating the motor. The housing has a sidewall surrounding an outer circumference of the impeller. An air inlet is formed in the housing and opposed to a center portion of the impeller. An air outlet is formed in the sidewall of the housing and opposed to an outer surface of the impeller. The housing includes a housing body and a housing cover. The housing body has a bottom with the motor secured thereon. The housing cover, formed by a pressed metal member, has an upper part and a cover sidewall extending from the upper part toward the bottom of the housing body and forming at least a part of the sidewall of the housing.