Combination charger and motive power device
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United States of America Patent
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Feb 23, 2016
Grant Date -
Nov 20, 2014
app pub date -
May 23, 2014
filing date -
Nov 22, 2011
priority date (Note) -
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Abstract
A combined battery charger and motor driver circuit assembly includes a rechargeable battery, a traction motor configured to accept a pulse-width-modulated (PWM) drive, a PNP transistor array, a charging source of chopped and rectified DC, and a control circuit configured to apply a discrete PWM drive signal to the gate of each transistor in the PNP transistor array.
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