| 摘要 |
<p>A compact hydraulic unit (11) for providing a vehicle with drive power, comprising a housing (16) in which a first (14) and a second (15) hydraulic motor are housed, mounted in opposition, one of the two motors being supported in rotation by the other, each motor comprising a distribution plate (12), a plate (17) supporting floating cylinders (8), a plate (18) axially holding the floating cylinders on the support plate, a plate (9) and fixed pistons (6, 7) arranged between the plate and the floating cylinders and cooperating with them; said hydraulic motors converting the energy coming from a pressurised fluid into mechanical energy in the form of torque driving a differential, contained in the same housing, and wherein the output shafts are coupled to the drive wheels of the vehicle; said differential comprising an axial coupling member (1) suitable for coupling the two hydraulic motors and configured to distribute the torque to the output shafts of the differential, wherein the differential is mounted in rotation inside the hydraulic motor, and the axis of rotation of the hydraulic motor coincides with the axis of rotation of the differential.</p> |
