| 摘要 |
PURPOSE:To improve the kinetic performance of a vehicle by providing a torque transmission gear which transmits power to right and left wheels without transiting a differential gear, a torque transmission clutch which makes the amount of transmission torque variable, and a controller which controls the amount of torque transmission according to the kinetic situation of the vehicle. CONSTITUTION:When a load is applied to the hydraulic multiple disk clutch 25 (torque transmission clutch) by a controller during the turning run of a vehicle in the low to middle speed range, for example, the clutch is brought into the engagement state so that the rotation of an intermediate shaft 15 is transmitted to a right wheel output shaft 7 via gears 18 and 14. At this time, since the relation between both the numbers N1 and N2 of the teeth of the acceleration gears 12 and 16 which transmit the rotation from a power transmission shaft 8 to the intermediate shaft 15 and the numbers N3 of the teeth of the deceleration gears 18 and 14 which transmits the rotation from the intermediate shaft 15 to the output shafts 6 and 7 is N4/N3>N1/N2, the revolution speed of the left wheel output shaft 6 turning together with a differential case 2 becomes higher than that of the right wheel output shaft 7. Accordingly, the turning performance in the low to middle speed range may be improved.
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