(EN) An exhaust gas recirculation cooler for internal combustion engines and a method of forming same are disclosed. One or more cooler tubes incorporate a flexible section comprises one or more integrally formed convolutions and is provided with a tube and fin architecture. The exhaust gas recirculation cooler provides thermal compensation, on a per-tube basis, with the flexible sections of the one or more cooler tubes individually displacing upon the thermal expansion of any of the respective tubes.
(ZH) 一种用于内燃式发动机的废气再循环冷却器和形成该冷却器的方法。一个或者更多个冷却器管结合有挠性部段,包括一个或者更多个一体地形成的褶曲部,并且管和翅片构造。废气再循环冷却器在每个管的基础上提供热补偿,并且一个或者更多个冷却器管的挠性部段在任一相应管热膨胀期间单独地移动。