Controlling exhaust gas recirculation
First Claim
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1. A method for controlling an engine, comprising:
- determining an amount of a fuel in a fuel component of an intake charge using at least a power output of the engine, the fuel component comprising the fuel and a fuel diluent;
determining an amount of an air component of the intake charge based on the determined amount of the fuel;
determining an amount of the intake charge provided, during operation of the engine, to a combustion chamber of the engine, the intake charge comprising the air component, the fuel, and a total amount of diluent comprising the fuel diluent and a diluent flow;
determining the total amount of diluent of the intake charge utilizing the amount of the intake charge, the amount of the air component, and the amount of the fuel; and
adjusting an amount of the diluent flow supplied to the intake charge based at least in part on the determined total amount of the diluent of the intake charge.
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Abstract
In controlling an engine, an amount of an intake charge provided, during operation of the engine, to a combustion chamber of the engine is determined. The intake charge includes an air component, a fuel component and a diluent component. An amount of the air component of the intake charge is determined. An amount of the diluent component of the intake charge is determined utilizing the amount of the intake charge, the amount of the air component and, in some instances, the amount of the fuel component. An amount of a diluent supplied to the intake charge is adjusted based at least in part on the determined amount of diluent component of the intake charge.
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Citations
21 Claims
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1. A method for controlling an engine, comprising:
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determining an amount of a fuel in a fuel component of an intake charge using at least a power output of the engine, the fuel component comprising the fuel and a fuel diluent; determining an amount of an air component of the intake charge based on the determined amount of the fuel; determining an amount of the intake charge provided, during operation of the engine, to a combustion chamber of the engine, the intake charge comprising the air component, the fuel, and a total amount of diluent comprising the fuel diluent and a diluent flow; determining the total amount of diluent of the intake charge utilizing the amount of the intake charge, the amount of the air component, and the amount of the fuel; and adjusting an amount of the diluent flow supplied to the intake charge based at least in part on the determined total amount of the diluent of the intake charge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An engine control module comprising:
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a processor; and a memory storing instructions for the processor that cause the processor to perform operations comprising; determining an amount of a fuel of a fuel component of an intake charge using at least a power output of the engine, the fuel component comprising the fuel and a fuel diluent; determining an amount of an air component of the intake charge based on the determined amount of the fuel; determining an amount of the intake charge provided, during operation of the engine, to a combustion chamber of the engine, the intake charge comprising the air component, the fuel, and a total amount of diluent comprising the fuel diluent and an amount of exhaust gas; determining the total amount of diluent of the intake charge utilizing the amount of the intake charge, the amount of the air component, and the amount of fuel; and adjusting the amount of the exhaust gas supplied to the intake charge based at least in part on the determined total amount of the diluent of the intake charge and a specified amount of exhaust gas. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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Specification