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. 26, 2013
Filed:
Jun. 22, 2009
Applicants:
Ching-bai Hwang, Taipei Hsien, TW;
Po-hsuan Kuo, Taipei Hsien, TW;
Inventors:
Ching-Bai Hwang, Taipei Hsien, TW;
Po-Hsuan Kuo, Taipei Hsien, TW;
Assignee:
Foxconn Technology Co., Ltd., New Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cooling fan includes a housing, a cover on the housing and an impeller received in a space between the housing and the cover. The housing includes a bottom wall and a sidewall projecting upwardly from an outer periphery of the bottom wall. The sidewall defines an air outlet therein. The impeller includes a hub and a plurality of blades extending radially out from the hub. A porous layer extends into the space between the housing and the cover from the sidewall at a location adjacent to the air outlet.