Heat exchanger for motor vehicle, has flat pipes connecting collecting boxes, and pipe arranged on single or both sides of cooling pipe line as side part, where pipe that serves as side part is not streamed and is stemmed from endless pipe

摘要

The heat exchanger has two collecting boxes (1, 2), flat pipes (3) that connect the two collecting boxes in a fluidic manner, and cooling fins (4). A pipe (5) is arranged on a single side or both sides of a soldered cooling pipe line as a side part (S). The pipe (5) which serves as the side part is not streamed and is stemmed from the endless pipe such as flat pipes. The pipe (5) has same length, cross section, cooling pipeline depth and thickness as the flat pipes (3).