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:
Jan. 25, 1983
Filed:
Jul. 15, 1980
Applicant:
Inventor:
Helmut Palz, Wiesbaden, DE;
Assignee:
Didier-Werke AG, Wiesbaden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B / ;
U.S. Cl.
CPC ...
266139 ; 432217 ;
Abstract
A regenerative air preheater includes a masonry casing having therein a combustion chamber and a checker shaft with checker bricks, and a separating wall between the combustion chamber and checker shaft. A space is provided between the separating wall and the checker bricks. Insulating material comprising fireproof fiber material is positioned within the space. The insulating material is structurally free of the separating wall.