Device and method for controlling output from a rechargeable...

Details Device and method for controlling output from a rechargeable... Device and method for controlling output from a rechargeable...

2006-11-30

2009-12-08

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S135000

Reexamination Certificate

active

07629770

ABSTRACT:
A controller for a rechargeable vehicle battery that prevents drivability from being lowered. The controller includes a voltage measurement unit for measuring terminal voltage of the rechargeable battery and a control unit for setting a plurality of output maximum voltages, each indicating an upper limit for discharge power allowed to be output from the rechargeable battery during a predetermined time. The control unit compares the measured terminal voltage of the rechargeable battery with a plurality of reference voltages respectively corresponding to the plurality of output maximum values. The control unit simultaneously lowers each of the output maximum values or sequentially lowers the output maximum values from the highest one of the output maximum values based on the comparison result.

REFERENCES:
patent: 6194868 (2001-02-01), De Boer
patent: 2005/0104558 (2005-05-01), Murakami et al.
patent: 2003-199258 (2003-07-01), None

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