Method for controlling power flow within a powertrain system

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Electric vehicle

Reexamination Certificate

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C180S065210, C180S065310

Reexamination Certificate

active

08060267

ABSTRACT:
A method for operating a powertrain system includes monitoring a state of charge of an energy storage device and determining an effective state of charge based upon the monitored state of charge of the energy storage device and a range of available power from the energy storage device. A preferred output power to an output member is determined. A preferred charge state for operating the powertrain is concurrently selected with operating an engine in one of a cylinder deactivation state and an all-cylinder state based upon the effective state of charge and the preferred output power to the output member.

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