Motor vehicles – Power – Electric
Patent
1992-11-05
1994-06-07
Johnson, Brian L.
Motor vehicles
Power
Electric
180 653, 36442401, B60K 104, B60K 604
Patent
active
053181425
ABSTRACT:
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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Bates Bradford
Sims Ronald I.
Tabaczynski Rodney J.
Ford Motor Company
Johnson Brian L.
May Roger L.
Porcari Damian
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