FIELD: internal combustion engines.
SUBSTANCE: method of operation of a crosshead detonation internal combustion engine with self-ignition from compression of the air-fuel mixture in which from the cavity of the operating combustion chamber (40) with a lean fuel-air mixture of gasoline grades from A66 to AI95, when the pressure reaches 1.2 MPa, four detonation chambers are separated and isolated . Successive detonation ignitions are produced. The first detonation ignition is carried out in the combustion chamber (40) by forced ignition when the piston (5) reaches top dead center (TDC) and a pressure of 1.5-2.0 MPa. The second, third, fourth and fifth detonation ignitions are produced in the detonation chambers under the influence of the pressure and temperature of the gases coming from the combustion chamber in the following sequences. In the first detonation chamber (21), detonation ignition occurs after 20 degrees of rotation of the crankshaft (2) and movement of the piston (5) from TDC. In the second detonation chamber, detonation ignition occurs after 40 degrees of rotation of the crankshaft (2) and movement of the piston (5) from TDC. In the third detonation chamber, detonation ignition occurs after 60 degrees of rotation of the crankshaft (2) and movement of the piston (5) from TDC. In the fourth detonation chamber, detonation ignition occurs after 80 degrees of rotation of the crankshaft (2) and movement of the piston (5) from TDC. A crosshead engine implementing a method of detonation operation is disclosed.
EFFECT: increase of engine power.
7 cl, 9 dwg, 2 tbl
