To improve a fuel consumption rate while suppressing an increase in device size.SOLUTION: A vehicular drive device (1) includes: an input member (10) connected to and driven by an internal combustion engine (EG); an output member (40) connected to and driving a wheel (W); a first rotary electrical machine (15); a second rotary electrical machine (20); a first engagement element (E1); a second engagement element (E2); and a differential gear device (30). The differential gear device (30) includes four rotation elements (R1-R4) working as a sun gear (31), a carrier (32) for supporting a stepped pinion (33), a first ring gear (34) and a second ring gear (35) in the order of rotational speed.SELECTED DRAWING: Figure 1
【課題】装置の大型化を抑制しながら燃料消費率を向上させる。【解決手段】車両用駆動装置(1)は、内燃機関(EG)に駆動連結される入力部材(10)と、車輪(W)に駆動連結される出力部材(40)と、第一回転電機(15)と、第二回転電機(20)と、第一係合要素(E1)と、第二係合要素(E2)と、差動歯車装置(30)とを備える。差動歯車装置(30)は、回転速度の順に、サンギヤ(31)、段付ピニオン(33)を支持するキャリヤ(32)、第一リングギヤ(34)、及び第二リングギヤ(35)となる4つの回転要素(R1〜R4)を有する。【選択図】図1
VEHICULAR DRIVE DEVICE
車両用駆動装置
2021-10-11
Patent
Electronic Resource
Japanese