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:
Apr. 26, 2016
Filed:
Aug. 06, 2013
Applicant:
Delta Electronics, Inc., Taoyuan Hsien, TW;
Inventors:
Po-Jeng Tsai, Taoyuan Hsien, TW;
Te-Fu Chen, Taoyuan Hsien, TW;
Assignee:
DELTA ELECTRONICS, INC., , TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/44 (2006.01); F04D 25/06 (2006.01); F04D 29/42 (2006.01);
U.S. Cl.
CPC ...
F04D 25/0613 (2013.01); F04D 29/422 (2013.01); F04D 29/4226 (2013.01);
Abstract
A centrifugal fan includes a shell, an impeller, a tongue portion, and a protrusion. The shell includes a top plate, a bottom plate, and a sidewall connecting to the top plate and the bottom plate. The top plate, the bottom plate, and the sidewall define an air outlet. The impeller is disposed in the shell. The tongue portion is disposed in the shell and neighboring the air outlet. The protrusion is disposed on an inner wall of the shell and is physically connected to the top plate and the bottom plate.