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SYSTEM AND METHOD FOR CONTROLLING AN OPERATING FREQUENCY OF A PURGE VALVE TO IMPROVE FUEL DISTRIBUTION TO CYLINDERS OF AN ENGINE

  • US 20140278001A1
  • Filed: 03/15/2013
  • Published: 09/18/2014
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A system comprising:

  • an engine speed module that determines a speed of an engine based on a position of a crankshaft; and

    a valve control module that selectively adjusts an operating frequency of a purge valve based on the engine speed.

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