METHOD FOR STOPPING AN INTERNAL COMBUSTION ENGINE
The present invention relates to a method for stopping an internal combustion engine. When an ignition and/or injection is shut off, an air amount inputted into the internal combustion engine is reduced firstly and is increased after a rotational speed value (n) of the internal combustion engine is...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The present invention relates to a method for stopping an internal combustion engine. When an ignition and/or injection is shut off, an air amount inputted into the internal combustion engine is reduced firstly and is increased after a rotational speed value (n) of the internal combustion engine is lower than a pre-given rotational speed threshold value (ns). A first rotational speed value (n1) is obtained at a first sampling time (t1), and a second rotational speed value (n2) is obtained at a second sampling time (t2). The first rotational speed value (n1) is larger than the pre-given rotational speed threshold value (ns) and the second rotational speed value (n2) is less than the pre-given rotational speed threshold value (ns) by the thus selection of the two sampling times, and a mechanism is controlled according to an energy content (E) to be cut down, wherein, the mechanism generates a torque for braking a rotational motion of the internal combustion engine, and the energy content (E) to be cut down is determined according to the first rotational speed value (n1) and the second rotational speed value (n2). |
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