Systems and methods for piston cooling
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United States of America Patent
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Nov 26, 2019
Grant Date -
May 18, 2017
app pub date -
Jan 31, 2017
filing date -
Apr 16, 2015
priority date (Note) -
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Abstract
Methods and systems are provided for supplying cooling oil to a piston of an engine cylinder. In one example, a method may include repeatedly activating an oil supply only during a part of a cylinder cycle synchronous with a reciprocating motion of the piston. In particular, supply of cooling oil may be initiated by displacing a poppet valve arranged within a piston cooling assembly via a reciprocating motion of the piston.
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