In some embodiments of the present disclosure, an electric motor is used to generate correction torques to counteract unwanted torque pulses generated by an internal combustion engine during a cylinder deactivation mode. In some embodiments, the electric motor may be mounted to an accessory drive such as a power take-off mechanism or a front end accessory drive (FEAD). In some embodiments, the correction torques may be determined using an engine model. The correction torques help to reduce or eliminate noise, vibration, and/or harshness (NVH) during the cylinder deactivation mode.


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    Title :

    SYSTEMS AND METHODS CYLINDER DEACTIVATION IN INTERNAL COMBUSTION ENGINES


    Additional title:

    SYSTEME UND VERFAHREN ZUR DEAKTIVIERUNG VON ZYLINDERN IN VERBRENNUNGSMOTOREN
    SYSTÈMES ET PROCÉDÉS DE DÉSACTIVATION DES CYLINDRES DANS DES MOTEURS À COMBUSTION INTERNE


    Contributors:

    Publication date :

    2022-02-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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 / 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 / F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / F16F SPRINGS , Federn



    SYSTEMS AND METHODS CYLINDER DEACTIVATION IN INTERNAL COMBUSTION ENGINES

    GERTY MICHAEL D / VADLAMANI UDAY / MCKINNON KIMBERLY D | European Patent Office | 2019

    Free access

    SYSTEMS AND METHODS CYLINDER DEACTIVATION IN INTERNAL COMBUSTION ENGINES

    GERTY MICHAEL / VADLAMANI UDAY / MCKINNON KIMBERLY | European Patent Office | 2019

    Free access

    Cylinder wear in internal combustion engines

    Bassett, H.N. | Engineering Index Backfile | 1937


    Cylinder Components for Small Internal Combustion Engines

    Warner, P.E. | SAE Technical Papers | 1980


    Cylinder Components for Small Internal Combustion Engines

    Warner,P.E. / Brico Engng.,US | Automotive engineering | 1980