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本文对S195型柴油机在冷起动条件下的摩擦阻力进行了试验研究。通过试验发现,柴油机冷起动时机油压力的显著增高是造成摩擦阻力大的原因之一。设置机油限压阀可显著减小柴油机冷起动时的摩擦阻力,因而改善了起动性能。
In this paper, S195 diesel engine under cold start frictional drag conditions were studied. It is found through experiments that the significant increase of oil pressure during cold start of diesel engine is one of the causes of large frictional resistance. Set the oil pressure limiting valve can significantly reduce the friction resistance of diesel engine cold start, thus improving the starting performance.