LUBRICATING DEVICE FOR ENGINE
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United States of America Patent
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Issued Date -
Aug 11, 2016
app pub date -
Jan 28, 2016
filing date -
Feb 5, 2015
priority date (Note) -
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Abstract
A lubricating device for an engine is provided. A first opening part penetrates a first partition wall separating a crank chamber and an oil sump chamber. A second opening part penetrates a second partition wall separating the crank chamber and a valve drive chamber. In a lubricating device for an engine, when the pressure in the crank chamber is positive, gas in the crank chamber is injected into the oil sump chamber through the first opening part and impacts oil, thus generating mist oil in the oil sump chamber, and mist oil in the crank chamber passes through the second opening part and is supplied to the valve drive chamber, whereas when the pressure in the crank chamber is negative, mist oil in the oil sump chamber passes through the first opening part and is supplied to the crank chamber.
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