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. 20, 2015
Filed:
May. 16, 2012
Applicants:
Chih-hsiang Chang, Taoyuan Hsien, TW;
Ding-wei Chiu, Taoyuan Hsien, TW;
Shih-chou Chen, Taoyuan Hsien, TW;
Inventors:
Chih-Hsiang Chang, Taoyuan Hsien, TW;
Ding-Wei Chiu, Taoyuan Hsien, TW;
Shih-Chou Chen, Taoyuan Hsien, TW;
Assignee:
DELTA ELECTRONICS, INC., Taoyuan Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); F04D 29/28 (2006.01); F04D 25/06 (2006.01); F04D 29/30 (2006.01);
U.S. Cl.
CPC ...
F04D 29/281 (2013.01); F04D 25/0613 (2013.01); F04D 29/30 (2013.01);
Abstract
A fan includes a housing, an impeller and at least one position-limiting mechanism. The housing has an accommodating space for receiving the impeller. The impeller has a hub and a plurality of blades surrounding the hub. The position-limiting mechanism is located between the top of the blade and the inner side of the housing, and disposed on the top of the blade or the inner side of the housing.