CONTROLLED AXIAL-PISTON HYDRAULIC UNIT Russian patent published in 1997 - IPC

FIELD: positive-displacement hydraulic drive. SUBSTANCE: shaft with a flange is installed in the housing on supports. The rotary distributor with high- and low-pressure ports that are concentric on its axis is engageable with the cylinder block and housing cover guide surface, having inlet and outlet ports. The distributor can turn around the axis passing through the point of intersection of the shaft and cylinder block axes at an acute angle to the cylinder block axis. The outlets of the high- and low-pressure ports of the distributor and the housing cover ports are concentric on the axis of rotation of the distributor. The distributor has a duct, located on the axis of rotation of the distributor, connected to the distributor high- pressure port. EFFECT: expanded functional abilities. 1 dwg