| 摘要 |
PURPOSE:To detect the rotational frequency of an output shaft of a transmission mechanism with good accuracy and to conduct synchronous control for speed change timing with good accuracy by disposing a rotation sensor for detecting the rotation of the output shaft in the radial outward direction of a toothed portion of a sensing rotor. CONSTITUTION:A carrier 17a of a planetary gear mechanism 12 comprises two annular plates, wherein the annular plate 17a1 on the second transmission mechanism side is extended inward in the radial direction and connected to the second rotating shaft 5, a sensing rotor 50 formed by an annular plate is fixed to the radial outward end portion thereof coaxially with the second rotating shaft 5, and a rotation detecting sensor 60b is disposed, with the outer peripheral rectangle thereof close to a tooth 50a. Oil paths A1, A2 are formed on a supporting shaft A for the first and second rotating shafts 4,5, and oil paths 5a, 70a are set radially in such a manner as to interface with the above oil paths between a dished inner edge portion 50b, the sensing rotor 50 and the annular plate 17a1 of the carrier 17a on the output shaft 5 and a bearing 70. Oil paths 17b2, 17b2, each one end of which is opened to a clearance B are formed on a pinion shaft 17b. |
