Browse Publications Technical Papers 2005-01-1867
2005-04-11

Development of Oil Aeration Meter for Internal Combustion Engine 2005-01-1867

Aeration rate in engine oil is one of the most important data in developing lubrication system of the internal combustion engine. Several methods were reported to measure oil aeration, but none of them can measure aeration rate in real time at in-vehicle tests. The present study developed oil aeration meter that is able to measure oil aeration in real time without sampling oil out of engine. And the meter is very compact in size and the response time of the meter is fast enough, thus the meter can be applied to in-vehicle tests. The meter measures density, pressure and temperature of the air-oil mixture, and those variables are measured with high precision, thus the oil aeration meter having uncertainty less than 1% could be developed. The oil aeration meter is successfully being applied to develop the lubrication system of engine.

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