| 摘要 |
The machine has two crank pins included in two pivots (6, 12), and two crankshafts (2, 3) connected to the pivots. A differential casing includes a differential composed of a crown wheel (710), a differential cage (700), and two planetary bevel gears (702, 704) that are connected to the crankshafts and bevel pinions (701, 703). The crown wheel is equipped with an actuation unit of the differential, and comprises a control unit for controlling angular phase between the crank pins included in the pivots of the crankshafts.
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