| 摘要 |
Reciprocating internal combustion engine (1) comprising at least one combustion chamber (4) with a screwthreaded hole (6) in a wall thereof, normally provided for mounting a spark plug. In the screwthreaded hole (6) a pre-chamber member (8) is mounted, said member enclosing a pre-combustion chamber (10) and comprising a wall section (12) provided with at least one orifice with a smaller cross-section than the pre-chamber and forming a communication opening between the combustion chamber (4) and the pre-chamber (10), said spark plug being connected with the pre-chamber member, for example by screwthread engagement or by forming an integral unit therewith, such that the spark plug electrodes (9) are exposed in the pre-chamber. |
