Patent ID: 7780753
Filing Date: 2010-08-24
Classification: A47L,Y10S

Abstract:
1. A dust collector cup of fall centrifugal separation type, including a cup body, an outlet configured on the cup body, an inlet tangential to the circumferential wall of cup body, and a separator installed in cup body, said separator consisting of outlet tube, inlet configured in the wall of the outlet tube and the isolating shield installed below the inlet of the outlet tube, said outlet tube connecting with the outlet of the cup body, wherein the fall height between the horizontal position of the lower and inlet on the cup body and that of the upper end of the inlet of the outlet tube is 30-140 mm, wherein the height of an inner tube coaxially installed in said outlet tube is lower than that of the outlet tube, the bottom of the inner tube is connected to the outlet tube, the bottom of the inner tube is connected to the outlet tube and the inlet of the separator is connected with the outlet of the dust cup via inner tube, the inlet of said separator is an annular body consisting of vanes arranged spirally and smoothly based on an annular array.