Battery management and equalization system for batteries...

Details Battery management and equalization system for batteries... Battery management and equalization system for batteries...

2005-12-22

2008-12-30

Ullah, Akm E (Department: 2838)

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With individual charging of plural batteries or cells

C320S110000, C320S111000, C320S112000, C320S124000, C320S160000, C320S162000

Reexamination Certificate

active

07471066

ABSTRACT:
A battery charging system uses power line carrier communications, for communicating battery state information associated with charging batteries, between a battery charger and a battery management system (BMS) located on the battery or battery pack. The power line carrier includes transmitters and receivers transmitting and receiving battery state information, such as current, voltage and temperature, as digital signals on existing cable conductors located between the battery/battery pack and the battery charger. The battery management system (BMS), which is physically located on the battery pack, receives the information from the power line carrier, in order to measure a variety of parameters relating to charging the battery, which may be a motor vehicle battery or a battery for operating machinery, such as fork lifts, bulldozers and other earth moving and product transportation vehicles.

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