| 摘要 |
EL SOURCE, A SECOND CHECK VALVE DISPOSED IN THE FUEL SUPPLY PASSAGE AND ONLY ALLOWING INFLOW OF THE LIQUID FUEL FROM THE FUEL SOURCE TO THE PUMPING CHAMBER, SAID INJECTION NOZZLE BEING ARRANGED SO AS TO BE DIRECTED TO AN IGNITION AREA AROUND THE SAPRK GAP, A FUEL BEING INJECTED FROM THE INJECTION NOZZLE INTO THE COMBUSTION SO AS TO FORM A RICH AIR-FUEL MIXTURE LAYER IN THE IGNITION AREA WHEN THE INTAKE VALVE RETURNS TO ITS CLOSING POSITION AT THE TIME OF THE INTAKE STROKE OF THE ENGINE.
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