PROBLEM TO BE SOLVED: To make it possible to change a power split ratio of a power transmission system for a hybrid vehicle.SOLUTION: A power transmission system TM includes a first differential mechanism 10 connected to an engine, and a second differential mechanism 20. The first differential mechanism includes a first rotating element connected to the engine, and a second and a third rotating elements. The second differential mechanism includes a fourth rotating element connected to the second rotating element, a fifth rotating element connected to a first electric rotary machine MG1, and a sixth rotating element that is an output element of the second differential mechanism. The power transmission system TM further includes at least either one of a first clutch CL1 or a brake BL1, and a second clutch CLr. The first clutch is configured to releasably couple two of the first, second and third rotating elements to each other. The brake is configured to releasably couple the third rotating element to a stationary element. The second clutch is configured to releasably couple the third rotating element to one of the fifth and sixth rotating elements.SELECTED DRAWING: Figure 1

    【課題】ハイブリッド車両の動力伝達装置において、動力分割比を可変とする。【解決手段】本発明の動力伝達装置TMは、機関と接続された第1差動機構10と、第2差動機構20とを備える。第1差動機構は、機関と接続された第1回転要素と、第2および第3回転要素とを備え、第2差動機構は、第2回転要素に接続された第4回転要素と、第1回転電機MG1と接続された第5回転要素と、第2差動機構の出力要素である第6回転要素とを備える。さらに、動力伝達装置TMは、第1回転要素、第2および第3回転要素のうち2つを互いに解放可能に連結することができる第1クラッチCL1および第3回転要素と静止要素とを解放可能に連結することができるブレーキBL1のうちの少なくとも一方と、第3回転要素と第5および第6回転要素のいずれか一方とを解放可能に連結することができる第2クラッチCLrとを備える。【選択図】図1


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    Title :

    POWER TRANSMISSION SYSTEM


    Additional title:

    動力伝達装置


    Contributors:

    Publication date :

    2017-10-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    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 / F16H Getriebe , GEARING



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