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Hydrocarbon Retaining System Configuration for Combustion Engine

  • US 20090120063A1
  • Filed: 06/26/2008
  • Published: 05/14/2009
  • Est. Priority Date: 11/12/2007
  • Status: Active Grant
First Claim
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1. A system for managing emissions of an engine of a vehicle, the system comprising:

  • a first exhaust passage including an emission control device, the first passage including a downstream section, the downstream section downstream of the emission control device and including a tailpipe of the vehicle;

    a second exhaust passage coupled to the first exhaust passage downstream of the emission control device, the second exhaust passage including a hydrocarbon retaining system, the hydrocarbon retaining system including a vent passage, where at least a portion of the vent passage is positioned adjacent and thermally coupled to at least a portion of the downstream section of the first exhaust passage.

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