PISTON MACHINE Russian patent published in 1996 - IPC

FIELD: engine engineering. SUBSTANCE: piston machine is provided with a cylinder. The cross- section of the cylinder is rectangular or bounded by two parallel straight lines conjugated with two arcs of a circumference. A piston is mounted in sleeve 2 of the cylinder. The piston is provided with piston rings, and the middle part of the cylinder is mounted on eccentric part of pin 7 using an opening. Washers 8 provided with pins terminate in shank-gears 9. The washers are mounted for permitting rotation in openings made in disks 11. Gears 11 engage fixed wheels 19 of inner engagement. One of the shanks terminate in a take-off shaft. The shanks are provided with recesses to balance the crankshaft, gears and piston. Faces of disks 11 and washers 8 are flush-mounted with the inner side of sleeve 2. EFFECT: enhanced efficiency. 8 cl, 9 dwg