| 摘要 |
A continuously variable transmission (10) comprises first and second planetary gear sets (20 and 30). Each of the first and second planetary gear sets (20 and 30) includes a sun gear member (22, 32), a ring gear member (24, 34), at least one planet gear (26, 36) meshing with the sun gear member and with the ring gear member, and a planet gear carrier member (28, 38). The at least one planet gear (26, 36) is rotatably mounted to the planet gear carrier member (28, 38). A first drive (40) drivingly connects a first one (22) of the members of the first planetary gear set (20) and a first one (32) of the members of the second planetary gear set (30). A second drive (50) drivingly connects a second one (24) of the members of the first planetary gear set (20) and a second one (34) of the members of the second planetary gear set (30). A third drive (60) is drivingly connected with a third one (28) of the members of the first planetary gear set (20). A fourth drive (70) is drivingly connected with a third one (38) of the members of the second planetary gear set (30).
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