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System and Method for Crankcase Gas Air to Fuel Ratio Correction

  • US 20100031904A1
  • Filed: 08/07/2009
  • Published: 02/11/2010
  • Est. Priority Date: 08/08/2008
  • Status: Active Grant
First Claim
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1. An engine associated with a motor vehicle, comprising:

  • a ventilation line having a first end in fluid communication with an interior of a crankcase and a second end in fluid communication with an intake manifold and wherein the ventilation line conveys crankcase gases from the interior of the crankcase to the interior of the intake manifold;

    a sensor configured to gather information related to crankcase gases;

    an electronic control unit in communication with the sensor and a fuel injector;

    the electronic control unit configured to calculate a fuel injection duration according to information related to the crankcase gases received from the sensor; and

    wherein the electronic control unit is configured to control the fuel injector according to the fuel injection duration.

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