Method and system of oil delivery in a combustion engine
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United States of America Patent
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May 9, 2017
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app pub date -
Mar 25, 2014
filing date -
Mar 25, 2014
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Abstract
Methods and systems are described for an oil delivery system of an engine. In one method, oil is pumped via a lower pressure oil pump to piston cooling jets while oil is separately pumped via a higher pressure oil pump to a cylinder head, bearings, a turbocharger, or a variable valve operation system. Herein, the higher and lower pressure oil pumps each draw oil from a common, shared sump, and return oil back to the common, shared sump.
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