PROBLEM TO BE SOLVED: To provide a motor output gear ratio decision method of a transmission for a hybrid vehicle which eliminates a risk of a resonance phenomenon of an input shaft by deciding a proper gear ratio of a motor gear row, and contributes to the size reduction and cost reduction of a motor.SOLUTION: A method decides a gear ratio I which is obtained by dividing a tooth number of a motor-side driven gear with a tooth number of a motor-side drive gear in a transmission for a hybrid vehicle which comprises an input shaft 2, an output shaft 3, a plurality of gear change gear rows which are arranged correspondingly to a plurality of gear change stages, and a motor gear row arranged at the motor-side drive gear which is rotationally driven to the motor 8, and the input shaft 2, and formed of the motor-side driven gear which is engaged with the motor-side driven gear directly or via the other gear. The gear ratio I is decided so that a resonance rotation number of a rotating shaft of an engine 7 calculated from a resonance frequency of the input shaft 2 which changes depending on the inertia (engine-side inertial J1) of the engine 7 and the inertia J2 of the motor 8 reaches an idling rotation number or smaller.

    【課題】モータギヤ列の適正な歯数比を決定して入力軸の共振現象のおそれを解消し、モータの小形化および低コスト化に貢献するハイブリッド車両用変速機のモータ出力歯数比決定方法を提供する。【解決手段】入力軸2と、出力軸3と、複数の変速段に対応してそれぞれ設けられた複数の変速ギヤ列と、モータ8に回転駆動されるモータ側駆動ギヤならびに入力軸2に設けられてモータ側駆動ギヤと直接的にまたは他のギヤを介して噛合するモータ側従動ギヤにより形成されたモータギヤ列と、を備えたハイブリッド車両用変速機において、モータ側従動ギヤの歯数をモータ側駆動ギヤの歯数で除算した歯数比Iを決定する方法であって、エンジン7のイナーシャ(エンジン側イナーシャJ1)およびモータ8のイナーシャJ2に依存して変化する入力軸2の共振振動数から演算されるエンジン7の回転軸の共振回転数がアイドル回転数以下となるように歯数比Iを決定する。【選択図】図2


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    Titel :

    MOTOR OUTPUT GEAR RATIO DECISION METHOD OF TRANSMISSION FOR HYBRID VEHICLE


    Weitere Titelangaben:

    ハイブリッド車両用変速機のモータ出力歯数比決定方法


    Beteiligte:
    NAKAJIMA HIDETAKA (Autor:in) / OGINO DAIZO (Autor:in) / MORI KYOSUKE (Autor:in) / MIDORI TAKAHIRO (Autor:in)

    Erscheinungsdatum :

    2015-08-13


    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



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