Motor vehicles – Power – Electric
Reexamination Certificate
2007-06-26
2007-06-26
Ellis, Christopher P. (Department: 3618)
Motor vehicles
Power
Electric
C180S065310, C903S952000, C903S945000
Reexamination Certificate
active
10605287
ABSTRACT:
A method for heating a battery in a hybrid electric vehicle. The hybrid electric vehicle has an engine, a battery, a motor generator powered by the engine or the battery, and a control module. The method includes the steps of determining a battery temperature and determining whether a tip-in event, a tip-out event, or a terminal voltage event has occurred. The polarity of the battery is reversed if the battery temperature is below a predetermined value and if a tip-in event, a tip-out event, or a terminal voltage event has occurred.
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Freyermuth Vincent
Kozarekar Shailesh S.
Ochocinski Christopher A.
Prema Mukunda V.
Taenaka Robert K.
Brooks & Kushman P.C.
Ellis Christopher P.
Ford Global Technologies LLC
Kelley David B.
Olszewski John R.
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