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:
Jan. 23, 2007
Filed:
Sep. 20, 2004
Applicants:
Sen-yung Lee, Tainan City, TW;
Shueei-muh Lin, Tainan City, TW;
Hsin-mao Hsieh, Pin-Tong City, TW;
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fan device includes a casing having a recess defined in a first side thereof so as to receive a fan unit therein, and a hole defined through a second side of the casing. An outlet is defined in a side of the casing. The fan unit includes a first ring and a motor is located at a center of the first ring. A plurality of inner blades extend from an inner periphery of the first ring and a plurality of outer blades extend from an outer periphery and an underside of the first ring. The inner plates are connected to the motor. The fan device sucks air from both sides of the casing and the air flows out from the outlet smoothly.