Power plants – Internal combustion engine with treatment or handling of... – Methods
Patent
1993-12-02
1994-09-13
Husar, Stephen F.
Power plants
Internal combustion engine with treatment or handling of...
Methods
60284, 60289, 60300, 60303, 180 653, F01N 300
Patent
active
053457617
ABSTRACT:
An energy management system for a hybrid vehicle having wheels drivingly connected to traction motors, which motors are alternatively energized by an internal combustion engine generator or an electrical storage battery. The system comprises an electrical storage battery, a high voltage electrically heated catalyst (300-400 volts) for treating the exhaust gas of the internal combustion engine, a generator driven by the selective operation of the internal combustion engine to energize the traction motors and to sometimes produce electrical energy in excess of that consumed by the traction motors, and a high voltage controller for selectively transferring electrical energy generated by the internal combustion engine generator and the electrical energy produced by the traction motors when driven by the wheels to preferentially the electrically heated catalyst and secondarily to the storage battery. Selection is carried out by an on-board microprocessor as a means for controlling the selection of energy transfer paths to provide transfer in accordance with: (i) the temperature of the electrically heated catalyst, (ii) the temperature of the engine coolant; (iii) the speed of the vehicle; and (iv) the state of charge of the storage battery.
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Brandenburg Larry R.
Henig Yitshak I.
King Edward T.
Ford Motor Company
Husar Stephen F.
Malleck Joseph W.
May Roger L.
O'Connor Daniel J.
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