A vehicle utilizes an internal combustion powertrain to propel front wheels and an Electric Rear Axle Drive (ERAD) to propel rear wheels. In some circumstances, a controller may need to limit motor torque in the ERAD to avoid overheating the motor, which reduces fuel efficiency. To reduce the likelihood of needing to limit motor torque, refrigerant from the vehicle air conditioning system is circulated through the motor housing. In response to commands from a controller, a valve routes the refrigerant either through the air conditioning system evaporator or through the motor housing.


    Access

    Download


    Export, share and cite



    Title :

    HYBRID VEHICLE MOTOR COOLING


    Contributors:

    Publication date :

    2019-09-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / 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 / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS



    Hybrid vehicle motor cooling

    SHELDON DANIEL FRANK / SHIAH KYI | European Patent Office | 2019

    Free access

    MOTOR COOLING DEVICE FOR HYBRID VEHICLE

    SAEKI MASAYOSHI | European Patent Office | 2020

    Free access

    MOTOR COOLING APPARATUS FOR HYBRID VEHICLE

    European Patent Office | 2021

    Free access

    Apparatus for cooling motor of hybrid vehicle

    KIM JONG HYUN / LEE HAK SUNG / KIM YEON HO et al. | European Patent Office | 2020

    Free access

    APPARATUS FOR COOLING MOTOR OF HYBRID VEHICLE

    KIM JONG HYUN / LEE HAK SUNG / KIM YEON HO et al. | European Patent Office | 2019

    Free access