Operation method for IC engine for gaseous fuel

摘要

The engine comprises a combustion chamber and a pre-combustion chamber. A small amount of the fuel is guided via a non-return valve (1) to the pre-combustion chamber (4) until the piston exerts a compressive pressure in the combustion chamber when moving from bottom dead centre upwards which is larger than the pressure in the pre-combustion chamber. In this way air from the combustion chamber (5) is pushed via the channels (6) in the pre-combustion chamber and the non-return valve is closed. The rich fuel-air mixture is ignited by a spark plug (3) in the pre-combustion chamber and is pushed under high pressure via the channels to the combustion chamber. It is mixed in the combustion chamber with fuel directed through discharge holes (7) from a fuel valve (2). In this way the fuel is vigorously mixed, ignited and completely burnt.