| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydraulic circuit structure of an automatic transmission which can communicate between oil passages formed in a center support side and a main case side without enlarging a center support. SOLUTION: The respective oil passages 76 on the main case 16 side respectively constituting hydraulic circuits to respective hydraulic operation parts such as clutches and the respective oil passages 77 on the center support side 31 are respectively communicated via the respective detour oil passages 78 formed to a converter case 15. Accordingly, the respective oil passages 76 on the main case 16 side and the respective oil passages 77 on the center support 31 side are communicated without bringing the center support 31 into contact with the main case 16. As a result, it is possible to prevent the center support 31 from enlarging unnecessarily, and reduction in weight of the automatic transmission or the like can be inexpensively realized. COPYRIGHT: (C)2004,JPO
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