Patent · US Expired

Method and apparatus for the classification of fine material from a stream of material in a circulating air classifier

US4066535A · kind A · utility

7Cited by
2References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 10, 1976
Grant dateJan 3, 1978
Priority date
Expiry dateJun 10, 1996

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB07B4/025
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Method and apparatus for classifying articles of varying size from a stream of particulate material in which the stream is subjected to centrifugal forces to provide an annular dispersion, and a stream of air is directed substantially perpendicular through the dispersion to aid in separating the fines from the coarser particles.

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