Patent ID: 7650935

Claim:
A heat exchanger, comprising: tubes which, along a plurality of flow paths which are hydraulically in parallel, have a first medium flowing through them and a second medium flowing around them, wherein two sections of a flow path, through which medium can flow in opposite directions, are arranged next to one another in the main direction of flow of the second medium, wherein the heat exchanger comprises a distribution and/or collection device with at least one diverter passage which connects the heat-exchange passages of two flow-path sections which are arranged in a single tube and through which the first medium can flow in succession to one another, wherein the plurality of flow paths comprise at least a first flow path and a second flow path, wherein the first flow path and the second flow path each comprise a front section and a back section arranged such that, in the main direction of flow, the second medium contacts the front section and the back section sequentially, and wherein the first section and the second section are each connected via a linking section.