PROBLEM TO BE SOLVED: To enhance the freedom of laying out a drive unit and prevent deterioration in electric power consumption associated with an increased mass.SOLUTION: An electric-vehicular drive unit A1 includes a travel driving-motor-generator 1, a transmission 2, and left-right drive wheels 5, 6 in the aforementioned order from upstream of a drive system, with the motor-generator 1 connected to an inverter 7 and a battery 8. The unit A1 further includes: a power-generating engine 9; and a switching mechanism 10 for switching connection of a motor output shaft 1a of the motor-generator 1 to a drive transmission shaft for the left-right drive wheels 5, 6, or a power-generating engine shaft 9a of the power-generating engine 9. The switching mechanism 10 is contrived so that, when a vehicle is stopped, the connection between the motor output shaft 1a and the drive transmission shaft is switched to the connection between the motor output shaft 1a and the power-generating engine shaft 9a.

    【課題】駆動ユニットのレイアウト自由度が高く、質量増加に伴う電費の悪化を防止すること。【解決手段】駆動系の上流から順に、走行駆動用のモータ/ジェネレータ1と、減速機2と、左右駆動輪5,6と、を備え、モータ/ジェネレータ1に、インバータ7とバッテリー8が接続された。この電動車両用駆動ユニットA1において、発電用エンジン9と、モータ/ジェネレータ1のモータ出力軸1aを、左右駆動輪5,6への駆動伝達軸と、発電用エンジン9の発電用エンジン軸9aと、の両者間で連結を切り替える切替機構10と、を設ける。この切替機構10を、車両が停車状態のとき、モータ出力軸1aと駆動伝達軸との連結から、モータ出力軸1aと発電用エンジン軸9aとの連結に切り替える機構とした(図1)。【選択図】図1


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    Title :

    ELECTRIC-VEHICULAR DRIVE UNIT


    Additional title:

    電動車両用駆動ユニット


    Contributors:

    Publication date :

    2015-11-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / 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



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