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:
Nov. 26, 2002
Filed:
Jan. 31, 2002
Walter Demuth, Gerlingen, DE;
Martin Kotsch, Ludwigsburg, DE;
Hans-Joachim Krauss, Stuttgart, DE;
Hagen Mittelstrass, Bondorf, DE;
Harald Raiser, Ballingen, DE;
Jochen Schumm, Eberdingen, DE;
Michael Sickelmann, Stuttgart, DE;
Karl-Heinz Staffa, Stuttgart, DE;
Christoph Walter, Stuttgart, DE;
Behr GmbH & Co., Stuttgart, DE;
Abstract
A heat-exchanger tube block is disclosed having at least two header tubes ( ), which are C-shaped in cross section and each of which has a continuous longitudinal slot ( ). Flat tubes ( ) are inserted into the header-tube longitudinal slots. A cover-plate element ( ) is provided which has a plurality of C-shaped openings and is fitted over one end of the at least two header tubes, so that the header tubes respectively fit into one of the openings and are secured in a fluid-tight manner. The tube-block can be used, for example, in an evaporator of CO air-conditioning installations for a motor vehicle.