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METHOD AND SYSTEM FOR CONTROLLING AN EXHAUST GAS RECIRCULATION SYSTEM

  • US 20090145126A1
  • Filed: 12/10/2007
  • Published: 06/11/2009
  • Est. Priority Date: 12/10/2007
  • Status: Active Grant
First Claim
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1. A method of reducing constituents within an exhaust stream, wherein the exhaust stream is generated by a turbomachine;

  • the method comprising;

    providing at least one exhaust gas recirculation (EGR) system comprising;

    at least one EGR flow conditioning device, a constituent reduction system, at least one flow control device;

    wherein the EGR system reduces constituents within the exhaust stream from a first concentration to a second concentration and recirculates the exhaust stream to an inlet section of the turbomachine;

    modulating the at least one flow control device;

    utilizing the constituent reduction system to reduce the constituents within the exhaust stream;

    determining whether constituents within the exhaust stream are within a constituent range; and

    if constituents are within the constituent range, then modulating the at least one flow control device to allow for the exhaust stream to enter the inlet section.

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