TWO-STROKE OPPOSED INTERNAL COMBUSTION ENGINE AND ITS CONTROL METHOD Russian patent published in 2025 - IPC F02B13/06 F02B73/00 F02B75/24 

FIELD: mechanical engineering.

SUBSTANCE: invention relates to propulsion engineering and can be used in internal combustion engines. Multicylinder two-stroke opposed internal combustion engine consists of modules. Modules comprise combustion chambers (7.1), (7.2), (7.3), (7.4) with upper and lower channels (16.1), (16.2), (16.3), (16.4) and (17.1), (17.2), (17.3), (17.4), several pairs of working cylinders (1.1), (1.2), (2.1), (2.2) spaced apart in pairs by angle of 180 degrees, and devices for transferring the reciprocal motion of pistons (5.1), (5.2), (6.1), (6.2) into the rotational motion of the power take-off shaft of the internal combustion engine (ICE). Pistons (5.1), (5.2), (6.1), (6.2) of working cylinders (1.1), (1.2), (2.1), (2.2) in pairs are located mirror-like relative to each other with possibility of back-and-forth movement. Each of working cylinders (1.1), (1.2), (2.1), (2.2) is equipped with autonomous combustion chamber (7.1), (7.2), (7.3), (7.4) with spark plug (15.1), (15.2), (15.3), (15.4). Engine is equipped with several compressor cylinders (8.1), (8.2), (8.3), (8.4) for homogenisation and preparation of fuel-air mixture (FA). Each compressor cylinder (8.1), (8.2), (8.3), (8.4) with the fuel supply device is connected to each combustion chamber (7.1), (7.2), (7.3), (7.4) of each pair of working cylinders (1.1), (1.2), (2.1), (2.2). Each pair of working cylinders (1.1), (1.2), (2.1), (2.2) is equipped with separate crank chamber (9.1), (9.2). Pair mirror pistons (5.1) and (5.2), (6.1) and (6.2) of pair working cylinders are installed with possibility of simultaneous working stroke. Engine has two or more upper and lower modules (B), (B*), (C), (C*) with identical operating cycles, arranged mirror-like relative to horizontal axis. Horizontal axis makes that of synchronizing power takeoff shaft (10) with gears (13), (13*) engaged with gears (11), (11*), (12), (12*) of power takeoff shafts of top and bottom modules. Disclosed is engine control method.

EFFECT: increasing the engine's service life.

4 cl, 5 dwg