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    • 5. 发明授权
    • Starting device for an internal combustion engine and method for starting the internal combustion engine
    • 用于内燃机的起动装置和启动内燃机的方法
    • US06240890B1
    • 2001-06-05
    • US09433437
    • 1999-11-04
    • Jörg AbthoffRoland KemmlerKlaus MaggMartin MattDittmar Wieland
    • Jörg AbthoffRoland KemmlerKlaus MaggMartin MattDittmar Wieland
    • F02N1100
    • F02N11/08F02N11/006F02N2300/102
    • In known starting devices, an individual starter is provided which accelerates the internal combustion engine to only a relatively low rotational speed at which an initial injection with subsequent combustion takes place. During a cold start of the internal combustion engine, it is therefore absolutely necessary to provide a relatively rich fuel/air mixture for the initial injection. However, this results in a situation in which, during this phase, relatively high exhaust gas emissions, in particular of hydrocarbons, are produced, which cannot be controlled by a catalytic converter which is not yet at its operating temperature. In order to reduce the exhaust gas emissions, a starting device for an internal combustion engine is proposed which has two starters for starting the internal combustion engine, a first starter being activated at the beginning of the starting process and being deactivated after a specific rotational speed of the internal combustion engine has been reached, a second starter (2) being activated. The second starter subsequently drives the internal combustion engine further to a specific setpoint rotational speed, after which, when the setpoint rotational speed has been reached, an initial injection of fuel for subsequent combustion is carried out. The starting device according to the invention is provided for internal combustion engines of vehicles.
    • 在已知的启动装置中,提供单独的起动器,其将内燃机加速到只有发生随后燃烧的初始注射的相对低的转速。 在内燃机的冷起动期间,因此绝对需要提供用于初始喷射的较浓的燃料/空气混合物。 然而,这导致了在这个阶段期间产生相当高的废气排放(特别是烃)的情况,其不能由尚未处于其工作温度的催化转化器控制。 为了减少废气排放,提出了一种用于内燃机的启动装置,其具有用于启动内燃机的两个起动器,在起动过程开始时启动第一起动器并且在特定转速之后被停用 已经达到内燃机的第二启动器(2)被激活。 第二启动器随后将内燃机进一步驱动到特定的设定转速,之后当达到设定转速时,执行用于后续燃烧的燃料的初始喷射。 根据本发明的起动装置被设置用于车辆的内燃机。