This disclosure provides a reducer (100), an electric vehicle drive system, and a control method for the electric vehicle drive system. In the reducer (100), a first countershaft (2a) is transmittingly connected to a first input shaft (1a), a second countershaft (2b) is transmittingly connected to a second input shaft (1b), and a centralized driving piece (5) is transmittingly connected to a power input end of a differential apparatus (4). A first transmission assembly (X1) and a second transmission assembly (X2) are respectively configured to connect or disconnect power transmission between the first countershaft (2a) and the centralized driving piece (5) and connect or disconnect transmission assembly power transmission between the second countershaft (2b) and the centralized driving piece (5). A first output shaft (3a) and a second output shaft (3b) are transmittingly connected to two power output ends of the differential apparatus (4) respectively. A third transmission assembly (X3) and a fourth transmission assembly (X4) are respectively configured to connect or disconnect power transmission between the first countershaft (2a) and the first output shaft (3a) and connect or disconnect power transmission between the second countershaft (2b) and the first output shaft (3a).


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    Title :

    SPEED DECELERATOR, ELECTRIC VEHICLE DRIVING SYSTEM AND CONTROL METHOD THEREFOR, AND ELECTRIC VEHICLE


    Additional title:

    GESCHWINDIGKEITSVERZÖGERUNGSVORRICHTUNG, ELEKTROFAHRZEUGANTRIEBSSYSTEM UND STEUERUNGSVERFAHREN DAFÜR UND ELEKTROFAHRZEUG
    DÉCÉLÉRATEUR DE VITESSE, SYSTÈME D'ENTRAÎNEMENT DE VÉHICULE ÉLECTRIQUE ET SON PROCÉDÉ DE COMMANDE, ET VÉHICULE ÉLECTRIQUE


    Contributors:
    ZHENG YIHONG (author) / LIU XIAOKANG (author)

    Publication date :

    2021-01-06


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / F16H Getriebe , GEARING



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