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US 2009/0157230 A1Published application
Method for controlling a flowrate of a recirculated exhaust gas
AssigneeGeneral Electric Company
InventorsJoell R. Hibshman, II, Jason D. Fuller, Noemie Dion Ouellet
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Abstract
A method for controlling an exhaust gas recirculation (EGR) system is provided. The EGR system may allow for the removal and the sequestration of at least one constituent within the exhaust before the recirculation occurs. The method may monitor the level of at least one constituent and adjust an EGR recirculation rate.
Claims18
A method of controlling 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 and at least one flow control device;
- utilizing a mass flow control system, wherein utilizing the mass flow control comprises the steps of:
- receiving a target EGR fraction comprising the portion of the exhaust stream within an inlet fluid, wherein the inlet fluid enters the inlet section of the turbomachine;
- determining a current EGR fraction;
- determining whether the current EGR fraction is within a range of the target EGR fraction;
- and
- adjusting an EGR rate of the exhaust stream if the current EGR fraction is outside of the range of the target EGR fraction.
6 more elements
A method of controlling 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 and at least one flow control device;
- utilizing a mass flow control system, wherein the utilizing the mass flow control comprises the steps of:
- receiving a target level of at least one constituent;
- determining a target EGR fraction;
- determining a current EGR fraction;
- determining whether the current EGR fraction is within a range of the target EGR fraction;
- and
- adjusting an EGR rate of the exhaust stream if the current EGR fraction is outside of the range of the target EGR fraction.
7 more elements
Dependencies are inferred from the claim text.