The drive system and a hydraulic coupler for a vehicle has four driving wheels with a coupling in order to contribute to the propulsion of the wheels not entrained constantly

摘要

This system comprises a coupling 17 in the part 20, 19 of the transmission for driving the wheels 12 is not controlled continuously. The coupling comprises a hydraulic coupler combined with an endless screw for transporting liquid in order to use the coupler in view of the transmission of a maximum torque in one direction and the transmission of a minimum torque in the opposite direction. The coupler comprises two series of discs coordinates one to the casing of the coupler and the other to a shaft mounted rotatably in the casing.