US2009148293A1PendingUtilityA1

Dust collector blade structure

Assignee: LIN WEN-SANPriority: Dec 6, 2007Filed: Dec 6, 2007Published: Jun 11, 2009
Est. expiryDec 6, 2027(~1.4 yrs left)· nominal 20-yr term from priority
Inventors:Wen-San Lin
F04D 29/289F04D 29/281F05B 2260/63
30
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Claims

Abstract

The present invention discloses a dust collector blade structure. In the present invention, the blades are uniformly and radiately arranged on a rotation disc. The blades are vertical to the rotation disc and form an air entrance at the center of the rotation disc. One end of each blade is exactly at the border of the rotation disc, and the other end of each blade has a wind-guiding bevel. The rotation disc is arranged inside a blower housing. The blower housing has an air outlet and a cover. The cover has an air inlet corresponding to the air entrance. The air outlet is arranged in the tangential direction of the rotation disc. The shape of the blades can reduce the air friction on the blades and thus can promote the blower performance and reduce the energy consumption.

Claims

exact text as granted — not AI-modified
1 . A dust collector blade structure,
 wherein a plurality of blades is uniformly and radiately arranged on a rotation disc, and   wherein said blades are vertical to said rotation disc and form an air entrance at the center of said rotation disc, and   wherein one end of each said blade is exactly at the border of said rotation disc, and   wherein the other end of each said blade has an upper wind-guiding bevel.   
   
   
       2 . The dust collector blade structure according to  claim 1 , wherein said wind-guiding bevel and the top side of said blade contain an angle θ of between 130 and 140 degrees. 
   
   
       3 . The dust collector blade structure according to  claim 2 , wherein said wind-guiding bevel and the top side of said blade contain an angle θ of 136 degrees. 
   
   
       4 . The dust collector blade structure according to  claim 1 , wherein said blades have an arc shape. 
   
   
       5 . The dust collector blade structure according to  claim 4 , wherein said blades have a curvature radius of 171 mm.

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