| 摘要 |
The present invention relates to a procedure for a 2-stroke engine comprising at least one cylinder (1) with a reciprocating piston (2), a defined combustion or expansion chamber (5), at least an outlet port (7) which is exposed at the piston lower dead centre, at least one freely controllable valve actuator (8) which activates an inlet valve (17) for opening/closing and supplying combustion air through an inlet pipe (6), a control system (15) controlling the valve actuator to open or close the inlet valve for the supply of combustion air. The invention is characterized in that the inlet valve (17) closes after the outlet port (7) is closed. |
