Method of balancing batteries

Details Method of balancing batteries Method of balancing batteries

2006-07-18

2009-10-13

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With individual charging of plural batteries or cells

C320S116000, C320S118000

Reexamination Certificate

active

07602145

ABSTRACT:
A methodology for balancing batteries for use in an electric vehicle. The methodology includes initializing a target balance voltage value to a predetermined voltage. Sampling a first voltage of the batteries at a predetermined interval. Sending the lowest voltage value to all of the batteries. Replacing the target value voltage with the lowest voltage if the lowest voltage is lower than the target balance voltage and bleeding the batteries if a sampled voltage is higher than the target balance voltage.

REFERENCES:
patent: 5644209 (1997-07-01), Chabbert et al.
patent: 5666040 (1997-09-01), Bourbeau
patent: 6114835 (2000-09-01), Price
patent: 6417648 (2002-07-01), Suzuki et al.
patent: 6873134 (2005-03-01), Canter et al.
patent: 2001/0035737 (2001-11-01), Nakanishi et al.

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