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:
Jun. 11, 2002
Filed:
Nov. 13, 2000
Applicant:
Inventor:
Gerhard Fuchs, Kehl-Bodersweier, DE;
Assignee:
Arcmet Technologie GmbH, Linz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 1/300 ;
U.S. Cl.
CPC ...
F27D 1/300 ;
Abstract
In a charging material preheater for preheating charging material ( ) which is to be charged into a furnace vessel ( ), having a shaft ( ) which is fixed in a frame structure ( ) and which in its upper region has a closeable feed opening ( ) for the charging material ( ) and a gas outlet and in its lower region a discharge opening for the charging material ( ) and a gas inlet, and whose shaft walls ( ) delimit a receiving space ( ) for the charging material ( ) to be heated, the shaft walls ( ) are subdivided into shaft wall portions which are individually replaceably fixed in the frame structure ( ).