CAM-PISTON POSITIVE DISPLACEMENT MACHINE

摘要

FIELD: mechanical engineering. SUBSTANCE: machine comprises housing 1 with cylindrical bore cam piston 2 having central elliptic opening and longitudinal cam groove on the cylindrical surface, shaft 3 with elliptic portion and slide valve pins, and supports 4 with balls 5 that are mated with the longitudinal cam groove in cam piston 2. EFFECT: enhanced capacity. 4 cl, 6 dwg