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:
Oct. 01, 2019
Filed:
Dec. 02, 2011
Applicants:
Chin-hung Lee, Taoyuan Hsien, TW;
Tsung-yin Lee, Taoyuan Hsien, TW;
Inventors:
Chin-Hung Lee, Taoyuan Hsien, TW;
Tsung-Yin Lee, Taoyuan Hsien, TW;
Assignee:
DELTA ELECTRONICS, INC., Taoyuan Hsien, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/38 (2006.01); F04D 29/16 (2006.01);
U.S. Cl.
CPC ...
F04D 29/384 (2013.01); F04D 29/164 (2013.01); F05D 2240/307 (2013.01);
Abstract
An impeller includes a hub and a plurality of blades. The blades are connected with the hub. Each blade includes a base part connected with the hub and a tip part opposed to the base part. The thickness of the tip part of the blade is greater than that of the base part of the blade. In addition, an airflow-guiding part is disposed at the tip part of the blade.