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:
Mar. 18, 1980
Filed:
Oct. 10, 1978
Applicant:
Inventors:
Jakob Ansen, Cologne, DE;
Horst Herchenbach, Troisdorf, DE;
Helmut Wustner, Cologne, DE;
Heinz Fasbender, Krefeld, DE;
Assignee:
Klockner-Humboldt-Deutz AG, , DE;
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241 19 ; 241 54 ; 241 59 ; 241 791 ;
Abstract
An apparatus and method for the safe preparation of pulverized coal comprises the steps of mixing coal with an inert gas in a pulverizing mill, separating dry coal dust from an exhaust gas bearing a residue of coal dust in a separator, mixing the exhaust gas with additional inert gas and filtering the coal dust from the gas mixture in a filter.