Method for recharging a pair of vehicle batteries of different nominal voltages, and associated system
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United States of America Patent
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May 9, 2017
Grant Date -
Jul 3, 2014
app pub date -
May 15, 2012
filing date -
May 23, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system supplying electrical power to a vehicle including: a network of electricity consuming units; a first electrical accumulation battery connected to the network, exhibiting a first maximum voltage when unloaded less than a maximum network voltage; a second electrical accumulation battery connected to the network, exhibiting a second maximum voltage when unloaded greater than the maximum voltage when unloaded of the first battery, and a minimum acceptable voltage when unloaded below the maximum network voltage; a drivable alternator connected to the network, configured to deliver to the second battery an electrical energy under a setpoint voltage drivable to various setpoint values; an electronic management facility, configured to impose at least two different setpoint voltages successively on the alternator when the vehicle is running, a low alternator voltage greater than the first maximum voltage, and a high alternator voltage greater both than the minimum voltage and than the low alternator voltage.
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