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:
May. 08, 2007
Filed:
Sep. 17, 2004
Applicants:
Jung Woo Lee, Seoul, KR;
Moon Kee Chung, Seoul, KR;
Sim Won Chin, Gwangmyeong-si, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blower fan includes a shroud, a hub for guiding airflow being discharged, and a plurality of blades disposed between the shroud and the hub. A first outer diameter of a first portion, which is close to the hub, of the blade is different from a second outer diameter of a second portion, which is close to the shroud, of the blade.