Patent · US Expired

Rotary classifier for a roller mill

US5657877A · kind A · utility

6Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 25, 1995
Grant dateAug 19, 1997
Priority date
Expiry dateSep 25, 2015

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB02C2015/002
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention provides a rotary classifier for a roller mill, in which a rotating vane is formed so that the vane width at the upper part of the rotating vane is larger than that at the lower part.

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