| 摘要 |
A method of driving a piston (80 of a portable, internal combustion, engine tool by combusting a combustible gas mixture in a combustion chamber (1) having a combustion chamber wall (14) located opposite the piston (8), the method including dividing the combustion chamber (1) in at least two chamber sections (21, 22) by providing, between the combustion chamber wall (14) and the piston (8), a separation plate (18) having a plurality of through-openings (38) and separately adjusting the combustible gas mixture in each chamber section (21, 22).
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