Browse Publications Technical Papers 2006-01-3440
2006-10-16

A Study on the Mechanism of Lubricating Oil Consumption of Diesel Engines - 4th Report: The Measurement of Oil Pressure Under the Piston Oil Ring - 2006-01-3440

Clarifying the mechanism of the oil consumption of engines is necessary for developing its estimation method. Oil moves upwards on the piston to the combustion chamber through ring sliding surfaces, ring backs and ring gaps. The mechanisms of oil upwards transport through the ring gaps are hardly analyzed. In this report, oil pressure just under the oil ring was successfully measured by newly developed method to clarify the oil transport mechanism at the ring gap. It was showed that the generated oil pressure pushed up the oil at the ring gap.

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