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:
Aug. 24, 2010
Filed:
Dec. 28, 2006
Yoshinori Araki, Chiryu, JP;
Yoshinori Araki, Chiryu, JP;
Denso Corporation, Kariya, JP;
Abstract
A blower system, wherein a blower case and a motor holding housing are comprised as separate members, a spiral casing is provided with an enlarged part enlarged in an axial direction to an opposite side from the suction port from a centrifugal type blower fan. The motor holding housing is provided with a holder storing and holding the motor, an extension extending from the holder in a diametrical direction of the fan, a circumferential wall connected with the extension and forming an inner circumferential wall of the enlarged part in the spiral casing. A cooling air passage is provided between the holder and the circumferential wall to guide part of the air circulating inside the spiral casing to the motor. The cooling air passage has an inlet into which air flows from the spiral casing and an outlet at the circumferential wall, out of which air flows to the motor.