ROTARY PISTON PUMP Russian patent published in 2002 - IPC

FIELD: mechanical engineering. SUBSTANCE: invention can be used as hydraulic pump, compressor or hydraulic motor. Said pump has cylindrical housing with fixed dividers, inlet and outlet valves of dividers, suction and discharge branch pipes, rotor installed coaxially in housing for reciprocating rotation with number of pistons equal to number of dividers, and end face covers. Inlet and outlet valves are made in form of rectangular double-leaf installed in slots of bushings arranged in holes of fixed dividers for rotation. EFFECT: simplified mounting of valves, possibility of changing valve functional application in operation of device, changing pump for operation as motor or vice versa. 4 dwg