| 摘要 |
A heat exchanger, preferably an oil cooler ( 1 ) for a motor vehicle, comprises stacked flat tubes ( 2, 3, 4 ), which have tube ends with apertures for admitting and discharging oil, which flows through the flat tubes ( 2, 3, 4 ) in their longitudinal direction. The apertures of adjacent flat tubes ( 2, 3, 4 ) are in fluid communication with one another in order to form flow passages, and spacings are left between the flat tubes for a medium, in particular a cooling medium, to pass through. The flat tubes are designed as extruded multi-channel tubes.
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