Intake temperature control systems and methods for intake manifold protection
AssigneeGM Global Technology Operations LLC
InventorsB. Jerry Song, Gregory J. York, Jon C. Wasberg, Josef J. Correia, Timothy Ward Athan
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Abstract
An engine control system of a vehicle includes a first temperature module, a second temperature module, and an exhaust gas recirculation (EGR) control module. The first temperature module determines a temperature of gas within an intake manifold of an engine. The second temperature module determines a temperature of an EGR conduit that is coupled to the intake manifold. The EGR control module reduces opening of an EGR valve when the temperature of the gas and the temperature of the conduit is greater than a predetermined temperature.
Claims20
An engine control system of a vehicle, comprising:
- a first temperature module that determines a temperature of gas within an intake manifold of an engine;
- a second temperature module that determines a temperature of an exhaust gas recirculation (EGR) conduit that is coupled to the intake manifold;
- and
- an EGR control module that reduces opening of an EGR valve when the temperature of the gas and the temperature of the conduit is greater than a predetermined temperature.
An engine control method for a vehicle, comprising:
- determining a temperature of gas within an intake manifold of an engine;
- determining a temperature of an exhaust gas recirculation (EGR) conduit that is coupled to the intake manifold;
- and
- reducing opening of an EGR valve when the temperature of the gas and the temperature of the conduit is greater than a predetermined temperature.
Dependencies are inferred from the claim text.