To provide a cooling device of a rotary electric machine for vehicle capable of effectively cooling a rotary electric machine for vehicle for suppressing a rise of temperature of a rotary electric machine for vehicle, in a vehicle using a rotary electric machine for vehicle as a driving force.SOLUTION: A heating portion of a rotary electric machine MG2 for vehicle changes depending on magnitudes of an output torque Tm and a rotary speed Nmg. In a high torque and a low rotary speed Nmg at which heat generation on a stator 82 side is increased, the stator 82 side is cooled with an oil pump P2. In a high rotary speed Nmg at which heat generation on a rotor 84 side is increased, the rotary electric machine MG2 for vehicle can be effectively cooled by an oil pump P1 of which a supply amount of lubricant oil increases in proportional to a vehicle speed V.SELECTED DRAWING: Figure 10

    【課題】車両用回転電機を駆動力として用いる車両において、車両用回転電機の温度上昇の抑制のため車両用回転電機を効果的に冷却することが可能となる車両用回転電機の冷却装置を提供する。【解決手段】車両用回転電機MG2の発熱部位は、出力トルクTmと回転速度Nmgの大きさによって変化する。ステータ82側の発熱が大きくなる、高トルクおよび低い回転速度Nmgにおいては、ステータ82側の冷却をオイルポンプP2によって行う。また、ロータ84側の発熱が大きくなる高い回転速度Nmgにおいては、車速Vと比例して潤滑油の供給量が増加するオイルポンプP1から行うことによって、車両用回転電機MG2を効果的に冷却することができる。【選択図】図10


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    Titel :

    COOLING DEVICE OF ROTARY ELECTRIC MACHINE FOR VEHICLE


    Weitere Titelangaben:

    車両用回転電機の冷却装置


    Beteiligte:
    KIYOUE HIROAKI (Autor:in) / IWAKURA ITSUKI (Autor:in) / OKUNO HAKUBA (Autor:in)

    Erscheinungsdatum :

    2019-03-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    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 / F16H Getriebe , GEARING / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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