A spark ignition engine includes a main combustion chamber configured to suction a mixture through an intake port, a pre-chamber configured to communicate with the main combustion chamber, an auxiliary cylinder configured to communicate with the main combu...

The invented engine comprises a working cylinder with a piston, pre-ignition chamber with spark plug and a combustion chamber which is cylindrical in shape, a fuel-air mixture injector, which is a compressor cylinder with a piston and fuel delivery device ...