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:
Nov. 10, 1992
Filed:
Sep. 24, 1991
Applicant:
Inventors:
Rolf Rietzscher, Mettmann, DE;
Axel Rudolph, Mettmann, DE;
Assignee:
Georg Fischer AG, , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D / ; F23D / ;
U.S. Cl.
CPC ...
432 99 ; 110263 ; 110265 ;
Abstract
A process and device for introducing additives, in particular energy carriers, into a cupola or shaft furnace. The additive is carried with combustion air stream and introduced therewith in the furnace shaft, a depression being created at the point where the additive is fed into the combustion air stream, so that the additive is fed into the combustion air stream, so that the additive is aspirated by the combustion air into the combustion area of the furnace shaft.
Rietzscher, Rolf. (1992). Process and device to feed additives into a shaft or cupola furnace (U.S. Patent No. 5161967). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5161967
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