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. 07, 2012
Filed:
Jul. 21, 2008
Applicants:
Seok Ho Choi, Seoul, KR;
Deok Huh, Gyeonggi-do, KR;
Inventors:
Seok Ho Choi, Seoul, KR;
Deok Huh, Gyeonggi-do, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H 1/26 (2006.01); B63H 7/02 (2006.01); B64C 27/46 (2006.01); B64C 11/16 (2006.01); F03B 3/12 (2006.01); F03B 7/00 (2006.01); F03D 11/02 (2006.01); F04D 29/38 (2006.01); F01D 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fan includes a hub and a plurality of blades formed on the hub with a rake angle. In an axial direction of the hub, no part of a trailing edge of any of the blades is disposed past an air outlet end of the hub at more than a distance approximately equal to 25% of a diameter of the hub.