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Lubrication system for an internal combustion engine, and method for lubrication

  • US 10,215,066 B2
  • Filed: 01/20/2017
  • Issued: 02/26/2019
  • Est. Priority Date: 03/14/2011
  • Status: Active Grant
First Claim
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1. An engine method, comprising:

  • during a first condition, pumping oil to piston cooling jets of an engine through a chemical heat accumulator;

    during a second condition;

    pumping oil to the piston cooling jets through a radiator, bypassing the heat accumulator, andperiodically recharging the heat accumulator by pumping engine oil through the heat accumulator; and

    in response to engine knocking, interrupting the recharge.

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