Engine provided with lubricating structure
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United States of America Patent
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Jun 16, 2015
Grant Date -
May 2, 2013
app pub date -
Oct 31, 2012
filing date -
Oct 31, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A single cylinder engine includes a crankcase having a crank chamber, a crankshaft disposed in the crank chamber of the crank case and having a crank web with a side surface perpendicular to a rotating shaft of an engine, and a lubricating structure for lubricating oil to components in the engine. The lubricating structure includes an oil reservoir communicating with the crank chamber through an oil discharge port formed to the crank chamber under the crank chamber, and an oil discharge groove formed to the crankcase for discharging oil flying from the crank web into the oil reservoir, the oil discharge groove being provided in a side wall of the crankcase facing a side surface of the crank web in the crank chamber.
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