A drive unit for a hybrid vehicle capable of improvement of fuel efficiency during HV running is provided. The drive unit includes an engine, a first motor, a second motor, a first planetary gear unit, a second planetary gear unit, a first engagement unit, and a second engagement unit. In a case where an operation state of the vehicle is high vehicle speed and a low driving force in which a requested driving force is small, by bringing the first engagement unit to an engaged state and the second engagement unit to the disengaged state, a first state where a gear ratio which is a rotation number ratio between an input element and an output element of a complex planetary gear unit becomes a first gear ratio γ2 smaller than “1” is set. In the case of a low vehicle speed and a high driving force in which the requested driving force is large, by bringing the second engagement unit to the engaged state and the first engagement unit to the disengaged state, a second state where the gear ratio becomes a second gear ratio γ1 larger than “1” is set.


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    Titel :

    Drive unit for hybrid vehicle


    Beteiligte:
    ENDO TAKAHITO (Autor:in) / KOMADA HIDEAKI (Autor:in) / IMAMURA TATSUYA (Autor:in) / HATA KENSEI (Autor:in) / NISHIMINE AKIKO (Autor:in)

    Erscheinungsdatum :

    2020-06-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F16H Getriebe , GEARING



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