To provide a hydraulic drive unit which can obtain favorable ratio coverage as a transmission, and a vehicle.SOLUTION: A hydraulic drive unit 100 comprises: a first pump motor 40; a second pump motor 50 driven by a working fluid which is discharged from the first pump motor; an output shaft 70 driven by the second pump motor; a planetary gear mechanism 10 having a sun gear 11 arranged on the same axial line with an input shaft E1 connected with an engine E, a ring gear 12 connected to the first pump motor, and arranged concentrically with the sun gear, and a carrier 14 connected to the input shaft, and holding a pinion gear 13 engaged with the sun gear and the ring gear so as to be revolutionary; a first clutch 20 for intermitting the carrier and the ring gear; a second clutch 30 for intermitting the ring gear and a fixing part 16 of the planetary gear mechanism; a first intermittent part S1 for intermitting the sun gear and the output shaft; and a second intermittent part S2 for intermitting the second pump motor and the output shaft.SELECTED DRAWING: Figure 2

    【課題】変速機としての良好なレシオカバレッジを得ることが可能な油圧式駆動装置および車両を提供する。【解決手段】油圧式駆動装置100は、第1ポンプモータ40と、第1ポンプモータから吐出の作動油により駆動される第2ポンプモータ50と、第2ポンプモータにより駆動の出力軸70と、エンジンEと連結の入力軸E1と同一軸線上に配置のサンギア11と、第1ポンプモータに接続され、サンギアと同心円状に配置のリングギア12と、入力軸に接続され、サンギアとリングギアとに噛み合うピニオンギア13を自転自在かつ公転自在に保持するキャリア14とを有する遊星歯車機構10と、キャリアとリングギアとの間を断続する第1クラッチ20と、リングギアと遊星歯車機構の固定部16との間を断続する第2クラッチ30と、サンギアと出力軸との間を断続する第1断続部S1と、第2ポンプモータと出力軸との間を断続する第2断続部S2とを備える。【選択図】図2


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    Title :

    HYDRAULIC DRIVE UNIT AND VEHICLE


    Additional title:

    油圧式駆動装置および車両


    Contributors:

    Publication date :

    2022-03-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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