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:
Feb. 10, 1981
Filed:
May. 10, 1979
Applicant:
Inventors:
Kunibert Brachthauser, Bensberg, DE;
Hubert Ramesohl, Bensberg-Refrath, DE;
Horst Herchenbach, Troisdorf, DE;
Assignee:
Klockner-Humboldt-Deutz AG, , DE;
Primary Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
432 14 ; 432 15 ; 432 58 ; 106100 ;
Abstract
Method and apparatus for the thermal treatment of pulverulent material in which the material is preheated and finely calcined in a calcination zone, the improvement involving pre-calcining the pulverulent material in a highly turbulent gaseous stream containing combustible fuel in a pre-calcination zone prior to final calcination.