To provide a vehicular drive device which secures large reduction ratio of a pair of planetary gear mechanisms and furthermore is easily downsized.SOLUTION: A single pinion type second planetary gear mechanism 52 adjoins a double-pinion type first planetary gear mechanism 4 at a first side L1 in an axial direction, a single pinion type third planetary gear mechanism 53 adjoins the second planetary gear mechanism 52 at the first side L1 in the axial direction, a first ring gear R1 is connected to an input member 2, a first sun gear S1 is connected to a first output member 31, a first carrier C1 is connected to a second output member 32, a second sun gear S2 and a third sun gear S3 are the same with each other in the number of teeth, a second ring gear R2 and a third ring gear R3 are the same in the number of teeth, the second ring gear R2 and the third ring gear R3 are connected to each other, a drive-side sun gear Sd is drive-connected to a torque control device 5, a fixed-side sun gear Sf is fixed to a non-rotation member NR, the first carrier C1 and a second carrier C2 are connected to each other, and the first ring gear R1 and the a third carrier C3 are connected to each other.SELECTED DRAWING: Figure 3
【課題】一対の遊星歯車機構の減速比を大きく確保しつつ、小型化を図り易い車両用駆動装置を提供する。【解決手段】シングルピニオン型の第2遊星歯車機構52はダブルピニオン型の第1遊星歯車機構4に軸方向第1側L1に隣接し、シングルピニオン型の第3遊星歯車機構53は第2遊星歯車機構52に軸方向第1側L1に隣接し、第1リングギヤR1は入力部材2に連結され、第1サンギヤS1は第1出力部材31に連結され、第1キャリヤC1は第2出力部材32に連結され、第2サンギヤS2と第3サンギヤS3との歯数が同一、第2リングギヤR2と第3リングギヤR3との歯数が同一で、第2リングギヤR2と第3リングギヤR3とが連結され、駆動側サンギヤSdがトルク制御装置5に駆動連結され、固定側サンギヤSfが非回転部材NRに固定され、第1キャリヤC1と第2キャリヤC2とが連結され、第1リングギヤR1と第3キャリヤC3とが連結されている。【選択図】図3
VEHICULAR DRIVE DEVICE
車両用駆動装置
04.10.2023
Patent
Elektronische Ressource
Japanisch