TWO-STROKE INTERNAL COMBUSTION ENGINE Russian patent published in 1994 - IPC

FIELD: automotive industry. SUBSTANCE: engine has body 1 hinge-connected to fixed supports 4 with fuel feed device in one of supports. Cylinders 5 radially installed in body have pistons 10 which form combustion chambers 7 and crankcase space 2. Pistons are hinge-connected with connecting rods 11. Engine has also output shaft 13 coupled with body, crankshaft 12 rigidly connected with fixed support 4 and hinge-connected with connecting rods 11. Crankshaft is arranged eccentrically relative to axis of output shaft 13. Intake ports 17 made in cylinders communicate with crankcase space 2, and exhaust ports 26 communicate with exhaust channel. Exhaust channel is made in fixed support 4. Exhaust ports 26 communicate with crankcase space 2 through bypass channels 27. Fitted on body 1 coaxially with shaft 13 are blades of fan 15. Delivery space 14 communicates with space of cylinders 5 through bypass channels 16. Inner surface of head of pistons 10 is bevelled towards longitudinal axis of cylinders. Radial holes 28 are made in place of connection of inner surface of head with its cylindrical surface in point farthest from axis. EFFECT: enlarged operating capabilities. 1 dwg