Patents by Inventor Simon David Farrall

Simon David Farrall has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Control of a vehicle powertrain
    Patent number: 5656921
    Abstract: A controller 20 for a vehicle powertrain, the powertrain comprising an electric motor 16 powered by a battery and an engine 14 powered by fossil fuel. The engine 14 is typically an internal combustion petrol engine. The controller 20 is operative to use maps stored in memory to control the torque contributions from the engine and the motor so as to maintain a desired relationship between the contributions of the electric motor 16 and the engine 14 towards the powering of the vehicle, and the controller is adaptive in that it is arranged to adapt said maps by altering one or more values stored therein to obtain a desired relationship.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: August 12, 1997
    Assignee: Rover Group Limited
    Inventor: Simon David Farrall