| 摘要 |
<p>TITLE OF THE INVENTION "FOUR-WHEEL VEHICLE DRIVE SYSTEM" A four-wheel vehicle drive system comprising an engine having an output shaft in a lateral direction of the vehicle, a power transmission gear unit including input and output shafts in lateral directions of the vehicle, a final reduction gear rotatable about an axis parallel with the transmission input and output shafts and adapted to be driven by the transmission output shaft, a main transaxle casing having enclosed therein the transmission gear unit and final reduction gear, an auxiliary transaxle casing secured to the main transaxle casing, a central differential gear assembly enclosed within the main transaxle casing and including a differential gear housing rotatable with the final reduction gear and two output members enclosed within the differential gear housing and rotatable at different speeds, a first wheel drive gear unit enclosed within the auxiliary transaxle casing and comprising a differential gear assembly connected to a one pair of road wheels and including an input member rotatable with one of the two output members of the central differential gear assembly, intermediate gear means including an input gear rotatable with the other of the two output members, a second wheel drive gear unit comprising a differential gear assembly connected to another pair of road wheels, and right-angle power transfer gear means to transmit driving power from the intermediate gear means to the the second wheel drive gear unit in a fore-and-aft direction of the vehicle.</p> |
