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:
Apr. 06, 1982
Filed:
Sep. 30, 1980
Applicant:
Inventor:
Hans-Dieter Grudno, Beckum, DE;
Assignee:
Krupp Polysius AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B / ;
U.S. Cl.
CPC ...
432106 ; 432117 ;
Abstract
Apparatus for heat treating fine-grain material, in particular in the production of cement, having a kiln from which waste gases are directed by a fan to a preheater for such material and then to dedusters via a main conduit and a bypass conduit. Between one of the dedusters and the pressure side of the fan extends a connecting conduit. Kiln gases selectively may be admitted to or blocked from the connecting conduit when desired.