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. 19, 2014
Filed:
Oct. 27, 2011
Shun-chen Chang, Taoyuan Hsien, TW;
Chia-ming Hsu, Taoyuan Hsien, TW;
Bo-chun Chen, Taoyuan Hsien, TW;
Shun-Chen Chang, Taoyuan Hsien, TW;
Chia-Ming Hsu, Taoyuan Hsien, TW;
Bo-Chun Chen, Taoyuan Hsien, TW;
Delta Electronics, Inc., Taoyuan Hsien, TW;
Abstract
A fan assembly includes a housing, a first frame, a second frame, at least one driving device, a supporting device, an active impeller and a passive impeller. The housing has an air-flowing channel, and the first frame and second frame are disposed at opposite sites of the air-flowing channel. The driving device is disposed on the first frame and actuates the active impeller to rotate. The supporting device is disposed on the second frame and has the passive impeller thereon. The passive impeller is propelled by the airflow generated by the active impeller.