Patent · US Expired

Electrostatic separation of particles

US5251762A · kind A · utility

24Cited by
5References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 1992
Grant dateOct 12, 1993
Priority date
Expiry dateApr 3, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03C7/12
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Apparatus for separating one type of particle from a mixture of particle types by dropping the mixture through a free fall zone between two spaced vertical walls of electrostatically charged, vertical cylindrical, spaced, continuously rotating electrodes that are continuously brushed by a plurality of spaced vertical cylindrical continuously rotating brushes.

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