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:
Nov. 28, 2006
Filed:
Mar. 31, 2004
Applicant:
Wen-hao Liu, Taipei, TW;
Inventor:
Wen-Hao Liu, Taipei, TW;
Assignee:
Asis Vital Component Co., Ltd., Kaohsiung, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
An axial flow fan includes a frame, a driving device and a fan blade part. The driving device is disposed in the frame and the fan blade part provides a hub member and a plurality of fan blades attached to the outer rim of the hub member and the hub member engaging with the driving device. It is characterized in that the fan blades are disposed outside the frame and the lower edges of the fan blades are flush with or higher than the upper edge of the frame.