[GESKES, Peter, GRÜNENWALD, Bernd, KNÖDLER, Wolfgang, RUCKWIED, Jens, KNÖDLER, Wolfgang] Mauserstrasse 3, 70469 Stuttgart, DE

[GESKES, Peter, GRÜNENWALD, Bernd, KNÖDLER, Wolfgang, RUCKWIED, Jens, KNÖDLER, Wolfgang, STRAHL-SCHÄFER, Daphne] Mauserstrasse 3, 70469 Stuttgart, DE

[GESKES, Peter, GRÜNENWALD, Bernd, KNÖDLER, Wolfgang, RUCKWIED, Jens, KNÖDLER, Wolfgang] Intellectual Property, G-IP Mauserstr. 3 70469 Stuttgart;Theodor-Rothschild-Str. 72 73760 Ostfildern;Börlenbergweg 2 72622 Nürtingen;Herderweg 9 71332 Waiblingen;Kauffmannstr. 1 70195 Stuttgart;Herderweg 9 71332 Waiblingen The invention relates to a heat exchanger for a motor vehicle, comprising a first flow path (1) with a number of flow conduits (6) for conducting a fluid to be cooled, a deflection region (13), situated downstream of the first flow path (1) and a second flow path (2), situated downstream of the deflection region (13). According to the invention, the flow conduits (6) of the first flow path (1) continue in the deflection region (13) and the second flow path (2) as continuous separate flow conduits (6).

[Knödler, Wolfgang, Heeb, Wolfgang, Völker, Cord, Grünenwald, Bernd] DE,70469 Stuttgart,Mauserstrasse 3;

[HEEB, Wolfgang, KNÖDLER, Wolfgang, VÖLKER, Cord] Mauserstrasse 3, 70469 Stuttgart, DE

[ENGLERT, Peter, HEEB, Wolfgang, KNÖDLER, Wolfgang] Mauserstrasse 3 70469 Stuttgart;Landhausstrasse 5 74177 Bad Friedrichshall;Freiburgstrasse 5 73614 Schorndorf;Herderweg 9 71332 Waiblingen The invention relates to a method for the fluxless soldering of aluminum, according to which a workpiece (1) is provided with a base material (2) containing an oxide film (3). Said oxide film (3) partly detaches from the base material (2) during heating.

[ENGLERT, Peter, HEEB, Wolfgang, KNÖDLER, Wolfgang] DE,70469 Stuttgart,Mauserstrasse 3;

[HEEB WOLFGANG, KNÖDLER WOLFGANG, VÖLKER CORD] DE

[Wolfgang HEEB, Wolfgang Knödler, Cord Völker] The invention relates to a soldering work piece made of aluminium and/or aluminium compounds, to a soldering method, in addition to a heat exchanger soldered in said manner. One surface of the soldering work piece is provided with an artificially applied oxide layer.

[Wolfgang Heeb, Wolfgang Knödler, Cord Völker] DE Stuttgart The invention relates to a soldering work piece made of aluminium and/or aluminium compounds, to a soldering method, in addition to a heat exchanger soldered in said manner. One surface of the soldering work piece is provided with an artificially applied oxide layer.