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. 16, 2003
Filed:
Mar. 30, 2001
Applicant:
Inventors:
Assignee:
Sanyo Denki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 ;
U.S. Cl.
CPC ...
H05K 7/20 ;
Abstract
The present invention provides a cooling apparatus which can increase air flow. A plurality of blades are provided with extending portions of the blades which extend outwardly in the direction of the diameter of the axis of the motor and rotate at such a space that is outside and surrounds the opening in the space . The extending portions of the blades are integrally formed with the blades . The rim portions of the extending portions of the blades which are disposed on the side of the first wall part and extend along the first wall part are sloped so as to be gradually away from the first wall part as they extend toward the edges.