FIELD: engines and pumps.
SUBSTANCE: proposed method consists in cranking diesel engine crankshaft by external power source and feeding fuel in its cylinder. In compliance with this invention, with engine reaching its starting rpm, high-pressure pump is brought into engagement with crankshaft with gear ratio of 1:1 to allow feeding fuel two times in one cycle, i.e. at the end of compression stroke and at the of exhaust stroke, while with engine crankshaft reaching minimum stable rpm, high-pressure pump is brought into engagement with crankshaft with gear ration of 1:2 to provide standard fuel feeding conditions.
EFFECT: higher reliability of fuel ignition, reduced starting preparation period and starting crankshaft rpm, no power used for prestart warm-up.
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SU1760807A2 |
