Patent · US Expired

Apparatus for classifying particles

US4260478A · kind A · utility

18Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 28, 1979
Grant dateApr 7, 1981
Priority date
Expiry dateNov 28, 1999

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB07B11/04
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An apparatus for classifying particles comprising a main body having a fine particle outlet and a coarse particle outlet, a classifying fan wheel disposed within the main body, and a first gas inlet channel for supplying the particles to the interior of the main body along with a gas stream. The apparatus further includes a gas passing member having a large number of gas inlets opened toward the direction of rotation of the fan wheel, and a second gas inlet channel for supplying a gas stream to the space between the gas passing member and the inner wall surface of the main body.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.