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. 08, 1980
Filed:
Nov. 14, 1977
Applicant:
Inventor:
Fritz Adrian, Ratingen, DE;
Assignee:
Balcke-Durr Aktiengesellschaft, Ratingen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D / ;
U.S. Cl.
CPC ...
165 10 ; 165-5 ;
Abstract
In a rotary regenerative air heater, an improved annular heat exchanger stack composed of several layers of heater lamellae packages and grate-like guide screen layers arranged on both ends of each lamellae package. The guide screen layers guide the flows of flue gas and air between stack layers and also serve to hold together the lamellae of each lamellae package with the aid of connecting tie rods.