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:
Oct. 21, 1980
Filed:
Feb. 13, 1979
Applicant:
Inventor:
Sven Lindahl, Spanga, SE;
Assignee:
Aktiebolaget Care Munters, Sollentuna, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D / ;
U.S. Cl.
CPC ...
165 10 ; 55390 ; 2915 / ; 156187 ; 156200 ; 156205 ;
Abstract
A core usable as a rotor in humidity exchangers and heat exchangers is disclosed.The core is comprised of alternate layers of flat and corrugated sheet material so arranged that the corrugations form with the flat layers a plurality of fine channels running substantially parallel to each other and axially to the center of the core. The corrugated layers in the axial direction extend at least at one end face of the core beyond the flat layers and the extending corrugated edges are reinforced. A method and apparatus for forming the core is also disclosed.