INTERNAL COMBUSTION ENGINE Russian patent published in 2017 - IPC F02B75/32 

FIELD: engines and pumps.

SUBSTANCE: in the engine, instead of a crankshaft, a gear is used, on opposite sides of which two fingers are fixed mirror-like relative to the center, each of which is hinged with its group of multi-cylinder engine rods, and the gear is disposed between the two parallel tracks in the crankcase, and resting on them has the freedom of rotation around its axis under the action of gas pressure forces transmitted by the connecting rods on the fingers of the gear linked with the intermediate gear fixed on the output shaft.

EFFECT: low metal consumption and ease of manufacture.

2 dwg