Ford Motor Company Limited

Ronald I Sims

Rodney John Tabaczynski

Bradford Bates

A method for providing energy from a stationary energy source to an electric vehicle having the steps of: determining an energy requirement of the electric vehicle; deriving an energy transfer rate; and transferring energy from the source to the electric vehicle at the rate. An energy transfer device to implement this method includes: a stationary energy source; a device for determining an energy requirement of the electric vehicle; means for deriving an energy transfer rate based on the requirement; and a device for transferring energy from the source to the electric vehicle at the rate.

Energy transfer device and method

A hybrid drive system for use in an electric vehicle comprising an electric motor generator for moving the vehicle, plural electrical energy sources in electric contact with electric motor/generator and a control source in electrical contact with the plural electrical energy sources include a variable-rate energy storage system, a low-rate energy storage system and a high-rate energy storage system. In operation, the control source determines the average power consumption of the vehicle during emission operation throughout its ongoing duty cycle and controls the extent to which each of the energy sources energizes the electric motor/generator to move the vehicle, such that the vehicle may be efficiently operated in both emission and non-emission modes in accordance with environmental restrictions and operator-imposed power demands.

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Saline, MI, United States of America

Ronald I Sims