System and method for controlling a valve of a cylinder in an engine based on fuel delivery to the cylinder
AssigneeGM Global Technology Operations LLC
InventorsDaniel G. Brennan, Steven Joseph Swantick
Life of this patent
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Abstract
A system for controlling an engine in a vehicle according to the principles of the present disclosure includes a fuel control module and a valve control module. The fuel control module controls fuel delivery to a cylinder of the engine. The valve control module closes an exhaust valve of the cylinder when fuel delivery to the cylinder is disabled during operation of the vehicle and exhaust gas has been exhausted from the cylinder after fuel delivery to the cylinder is disabled.
Claims20
A system for controlling an engine in a vehicle, the system comprising:
- a fuel control module that controls fuel delivery to a cylinder of the engine;
- and
- a valve control module that incrementally closes an exhaust valve of the cylinder over N engine cycles when fuel delivery to the cylinder is disabled during operation of the vehicle, wherein N is a number greater than one.
A method for controlling an engine in a vehicle, the method comprising:
- controlling fuel delivery to a cylinder of the engine;
- and
- incrementally closing an exhaust valve of the cylinder over N engine cycles when fuel delivery to the cylinder is disabled during operation of the vehicle, wherein N is a number greater than one.
Dependencies are inferred from the claim text.