| 摘要 |
A method of driving a piston (8) of an internal combustion-engined tool having a combustion chamber which is separated by a separation plate (18) with a plurality of through-opening (38) into a fore-chamber section (21) and a main chamber section (22) adjoining the piston (8), including producing gas jets having a predetermined energy, which enter the main chamber section (22) through the through-openings (38) of the separation plate (18), combusting, in the fore-chamber section (21), at least approximately a volume of a combustible gas mixture corresponding to the pre-determined energy of the gas jets, and combusting, in the main chamber section, a combustible gas mixture for creating a pressure necessary for displacing the piston.
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