Method for Producing a Heat Exchanger and Heat Exchanger
AssigneeMahle International GmbH
InventorsWolfgang Knödler, Cord Völker, Steffen Ensminger, Matthias Gördeler, Lisa Buchwald
Life of this patent
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Abstract
A heat exchanger that has at least two heat exchanger plates is provided. The heat exchanger has a core material containing an aluminum alloy. These heat exchanger plates are brazed together in a joining area such that the joint formed in the joining area is filled with filler metal between the heat exchanger plates
Claims21
1-12. (canceled)
A method for producing a heat exchanger with at least two heat exchanger plates that are configured for cooling a battery module containing at least one battery cell, wherein the method comprises:
- a step a) providing the at least two heat exchanger plates that are to be joined together, wherein the heat exchanger plates either comprise a core material containing an aluminum alloy, or are made of such a core material,
- a step b) placing together the at least two heat exchanger plates in at least one joining area, such that a joint is formed between the two heat exchanger plates in the at least one joining area,
- a step c) applying heat to the heat exchanger plates to at least a portion of the at least one joining area to braze the heat exchanger plates together, wherein the heat exchanger plates are brazed together by filling the joint with filler metal in the heated joining area,
- wherein the brazing in step c) takes place without flux.
The method of claim 30, wherein the plating applied to the wrought alloy belongs to group 3003mod or 3003.
Dependencies are inferred from the claim text.