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Automotive catalyst excess oxygen reduction system

  • US 7,258,101 B1
  • Filed: 03/22/2006
  • Issued: 08/21/2007
  • Est. Priority Date: 03/22/2006
  • Status: Expired due to Fees
First Claim
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1. An excess oxygen reduction system, comprising:

  • a fuel cut-off condition module that determines whether a fuel cut-off condition exists;

    an injector module that prevents a fuel injector from fueling a cylinder when said fuel cut-off condition exists; and

    a valve module that closes an impulse charging valve when said fuel cut-off condition exists.

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