Power transmitting system for a four-wheel drive vehicle

摘要

A planetary gear device is provided in a power transmitting system. One of the members of the planetary gear device is operatively connected to a front drive shaft and another member is operatively connected to a rear drive shaft. A clutch, the clutch torque of which is continuously changed, is operatively connected to the two members of the planetary gear device. The distribution of torque transmitted to the front and rear wheels is continuously changed by changing the clutch torque in accordance with driving conditions.