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:
Sep. 06, 2011
Filed:
Dec. 19, 2006
Applicants:
Heng-yu Wu, Taoyuan Hsien, TW;
Chun-lung Chiu, Taoyuan Hsien, TW;
Ming-shi Tsai, Taoyuan Hsien, TW;
Inventors:
Assignee:
Delta Electronics Inc., Taoyuan Hsien, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 41/04 (2006.01); F04B 35/04 (2006.01); F03D 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fan system is electrically connected with a driving source generator and includes a first fan, a second fan and an energy storage element. The second fan is rotated by the first fan for generating an electric energy. The energy storage element is electrically connected with the second fan for storing the electric energy and keep supplying power when the driving source generator is out of order or the fan is rotating in lower rotation speed.