Methods and apparatus for mitigating fuel in oil
AssigneeJaguar Land Rover Limited
InventorsSamuel Rios, Ben Kisiel
Life of this patent
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Abstract
A method (400) and apparatus 10-4 for carrying out the method of mitigating fuel in oil in an internal combustion engine of a hybrid electric vehicle, the method comprising: detecting events in which the engine is on for less than a predetermined engine on duration and a temperature of engine oil in the engine is below a predetermined temperature for the engine on duration (410); counting the detected events (420); when the number of detected events counted reaches a threshold count value and the vehicle speed exceeds a threshold vehicle speed value, running the engine for a predetermined warm up duration or until the temperature of the engine oil exceeds a predetermined warm up temperature (450).
Claims16
A method of mitigating fuel in oil in an internal combustion engine of a hybrid electric vehicle, the method comprising:
- detecting events in which the engine is on for less than a predetermined engine on duration and a temperature of engine oil in the engine is below a predetermined temperature for the engine on duration;
- counting the detected events;
- when the number of detected events counted reaches a threshold count value and a vehicle speed exceeds a threshold vehicle speed value, running the engine for a predetermined warm up duration or until the temperature of the engine oil exceeds a predetermined warm up temperature.
Dependencies are inferred from the claim text.