| 摘要 |
A method and apparatus for operating an air-compressing internal combustion engine with auto-ignition in which the fuel quantity to be injected is supplied initially in at least one pre-injection jet and thereafter in at least one main injection jet; the fuel of the main injection is preheated to a temperature above the temperature range critical for an evaporation of the fuel at least during operation of the engine in its upper load range while the fuel of the pre-injection is kept below the critical temperature; the injection valve includes two pressure spaces which are series-connected, whereby the pressure space disposed in second place, as viewed in the direction of flow, is arranged in heat-absorbing relationship to the interior of the working space of the internal combustion engine.
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