Patent ID: 6755880
Filing Date: 2004-06-29
Classification: B01D,B04C

Abstract:
A decelerated centrifugal dust removing apparatus for a dust cleaner, comprising:(a) a cylinder; (b) a conical cylinder; wherein a lower end portion of said conical cylinder is larger than an upper end portion thereof; (c) a dust collector box, wherein said cylinder, said conical cylinder, and said dust collector box are connected in said given order from an upper portion to a lower portion of the apparatus; (d) an air outlet pipe provided on the upper end portion of said cylinder and is disposed longitudinally and enters into said cylinder; (e) an air inlet pipe provided on an upper portion of an outer wall of the cylinder; and (f) an umbrella-shaped reflecting disc positioned under the air outlet pipe of the conical cylinder, said umbrella-shaped reflecting disc defining a hole in the center portion thereof for returning air, and said umbrella-shaped reflecting disc and said conical cylinder defining an annular gap between the periphery of said umbrella-shaped reflector and a side wall of said conical cylinder to allow falling dust to pass therebetween.