Hybrid Vehicle Propulsion System Utilizing Knock Suppression
AssigneeFord Global Technologies, LLC
InventorMichael Andri
Life of this patent
Estimating the term…
Abstract
A hybrid vehicle propulsion system and method of operation have been provided. As one example, the system comprises an internal combustion engine including at least a combustion chamber configured to propel the vehicle via at least a drive wheel, a motor configured to propel the vehicle via at least a drive wheel, an energy storage device configured to store energy that is usable by the motor to propel the vehicle, a fuel system configured to deliver gasoline and alcohol to the combustion chamber in varying relative amounts, a control system configured to operate the motor to propel the vehicle and to vary the relative amounts of the gasoline and alcohol provided to the combustion chamber in response to an output of the motor.
Claims8
1-11. (canceled)
A method of operating a hybrid electric vehicle propulsion system including an engine and an electric motor coupled to at least a drive wheel of the vehicle, the method comprising:
- operating the electric motor to propel the vehicle by supplying electrical energy to the motor from an energy storage device;
- and
- delivering a fuel and a knock suppressing substance to the engine in varying relative amounts responsive to a condition of the energy storage device.
18-20. (canceled)
Dependencies are inferred from the claim text.