Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 15, 2011
Patent Application Number
11604364
Date Filed
November 27, 2006
Patent Primary Examiner
Patent abstract
A fan comprises an impeller and a motor. The impeller has a hub, a plurality of blades and a plurality of reinforced elements. The blades are disposed around the hub. At least one reinforced element is disposed on the active surfaces of two adjacent blades. The blades and the reinforced elements are integrally formed as a single piece. The motor connects to the impeller for driving it to rotate.
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