POSITIVE-DISPLACEMENT HYDRAULIC TRANSMISSION Russian patent published in 1995 - IPC

FIELD: hydraulics. SUBSTANCE: hydraulic transmission has axial- piston pump, cylinder bank of which is secured to the input shaft, and axial-piston hydraulic motor, cylinder bank of which is secured in the housing. Inclined washers of the pump and hydraulic motor are mounted on the output shaft for permitting rotation under the action of plungers arranged in bores made in the output shaft rigidly connected with the face dispenser which has ports connected with the inner passageways and bears on the cylinder banks by its one side. The hydraulic transmission is provided with a controlled friction clutch for periodical connection of the input shaft with the output shaft. All of the ports of the dispenser is made in its side which bears on the cylinder bank. EFFECT: improved design. 4 cl, 1 dwg