The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 1992
Filed:
Jun. 06, 1991
Applicant:
Inventors:
Frank Fischer-Helwig, Cologne, DE;
Albert Suessegger, Bergisch-Gladbach, DE;
Albrecht Wolter, Cologne, DE;
Assignee:
Kloeckner-Humboldt-Deutz AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B07B / ; B07B / ;
U.S. Cl.
CPC ...
209135 ; 2091392 ; 209148 ; 241 791 ;
Abstract
A rotary sifter for separating different fractions of particulate material having a cylindrical outer housing and three rotary cages with vertical bars through which material and air pass inwardly with the cages independently rotary mounted, and channels communicating with the spaces below the rotors for collecting the separate fractions of separated material, and additional air delivery means to each of the channels which collect the separated fractions.