缓速器在国内商用车上的使用已经有较长的历史,但用于重型卡车的缓速器则相对少见。由于重卡自质量大,对制动力矩需求较高,因此优先使用液力缓速器。近年来,除了德国福伊特不断力推液力缓速器之外,其他厂商并未见大的动作。或许因为技术含量太高难以 Retarders have a long history of use in domestic commercial vehicles, but retarders for heavy trucks are relatively rare. Since heavy truck since the quality of high demand for braking torque, so give priority to the use of hydraulic retarder. In recent years, in addition to Germany’s Voith constant thrust hydrodynamic retarder, other manufacturers did not see a big move. Perhaps because of technical content is too high difficult