Motor vehicles – Power – Electric
Reexamination Certificate
2007-05-15
2007-05-15
Vanaman, Frank (Department: 3618)
Motor vehicles
Power
Electric
C903S945000, C903S945000
Reexamination Certificate
active
10605290
ABSTRACT:
A method and system of engine start/stop control for a HEV that monitors the battery and requests a specific engine state based on condition of the battery. A battery parameter such as discharge power limit (DPL) or state of charge (SOC) is compared with a set of threshold levels including a MIN level, an ON level, and an OFF level and the result of the comparison provides inputs to a state machine. The state machine includes an ON state, an OFF state and a OPPORTUNISTIC state. The machine transitions between the various states as a function of DPL and SOC relative to the sets of threshold levels.
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Anthony Joseph W.
McGee Ryan A.
Syed Fazal U.
Brooks & Kushman P.C.
Ford Global Technologies LLC
Kelley David B.
Vanaman Frank
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