Plug-in hybrid electric vehicle
First Claim
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1. A method for a vehicle propulsion system including a motor and an engine, comprising:
- operating the motor and engine to consume electrical energy and fuel, respectively, to propel the vehicle; and
increasing engine fuel consumption relative to motor electrical energy consumption based on residence time of fuel stored on-board the vehicle being greater than a threshold, the threshold adjusted based on an in-tank pressure of a fuel tank ullage space.
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Abstract
A method of operating a hybrid vehicle propulsion system includes selectively operating the engine to consume fuel stored on-board the vehicle based on a residence time of the fuel stored on-board the vehicle and further based on a profile of ambient conditions over the residence time.
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Citations
8 Claims
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1. A method for a vehicle propulsion system including a motor and an engine, comprising:
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operating the motor and engine to consume electrical energy and fuel, respectively, to propel the vehicle; and increasing engine fuel consumption relative to motor electrical energy consumption based on residence time of fuel stored on-board the vehicle being greater than a threshold, the threshold adjusted based on an in-tank pressure of a fuel tank ullage space. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification