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:
Feb. 28, 1995
Filed:
May. 20, 1993
Applicant:
Inventors:
Jurgen Bottcher, Eckental-Eschenau, DE;
Rudolf Ganz, Lauf, DE;
Jurgen Heinrich, Selb, DE;
Otto Heinz, Neu-Isenburg, DE;
Rudiger Herrimann, Munchberg, DE;
Heinrich Schelter, deceased, late of Selb, DE;
Matthias Simmerl, Leupoldsgrun, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165164 ; 165167 ;
Abstract
In the heat exchanger module, produced by stacking sheet cards provided with openings and subsequently joining the individual cards of the card stack, each sheet card (2) or group of sheet cards of the stack is arranged rotated about a common axis by an angle .alpha. of between 0.degree. and 30.degree. with respect to the preceding sheet card (2) or group of sheet cards, the openings (3) forming helical channels (4).