Patent ID: 8893491

Claim:
An integrated drive module for a motor vehicle, comprising a hydraulic drive unit, wherein the hydraulic drive unit comprises: a case filled with working fluid; a low pressure supply port placing the case in fluid communication with a low pressure fluid source; a high pressure supply port placing the hydraulic drive unit in fluid communication with a high pressure fluid source; first and second bent-axis pump/motors, having respective first and second yokes pivoting within said case, said yokes each carrying a respective cylinder barrel, and each yoke providing low pressure fluid supply to its respective cylinder barrel by means of a respective low pressure port; said low pressure port being in fluid communication with the fluid-filled interior of said case, respective low pressure ports being thereby in fluid communication with each other; an input shaft for connection of the first pump/motor to a mechanical power source; and an output shaft for connection of the second pump/motor to a mechanical power output.