| 摘要 |
PROBLEM TO BE SOLVED: To provide an automatic transmission capable of efficiently supplying lubricating oil to a bearing portion between a pinion and a pinion shaft of a second gear set disposed on the outer circumference of a first gear set, and being configured to be compact in an axial direction.SOLUTION: An automatic transmission 1, in which a second gear set 20 is disposed on an outer circumference of a first gear set 10 and a third gear set 30 is disposed to be adjacent to the first and second gear sets 10 and 20, is configured so that a lubricating oil supply oil passage L2 to a bearing portion 25 of the second gear set 20 communicates with an oil passage 26a in a pinion shaft of the second gear set 20 from an introduction port 37e provided on an inner circumference of a carrier body 37 on one side in an axial direction of the third gear set 30 via an oil passage 37f in the carrier body 37 extending in the carrier body 37 to the other side in the axial direction and leads to the bearing portion 25. |
