Battery cooling device, air flow control device, and...

Details Battery cooling device, air flow control device, and... Battery cooling device, air flow control device, and...

2007-06-11

2011-10-18

Conley, Helen O (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

With control means responsive to battery condition sensing...

Temperature control

C429S061000

Reexamination Certificate

active

08039137

ABSTRACT:
In a battery cooling device for cooling a battery with air from a cooling unit, such as a cooling fan, the air flow of the cooling unit is optimally controlled. A air flow control device calculates a calorific value of the battery based on an internal resistance of the battery and a charge/discharge current measured by a current measurement unit, calculates the difference as a differential temperature between battery temperature measured by a battery temperature measurement unit and ambient temperature measured by an ambient temperature measurement unit, and controls the air flow of the cooling fan on the basis of the calculated calorific value and the differential temperature.

REFERENCES:
patent: 2006/0036883 (2006-02-01), Hashizumi et al.
patent: 8148190 (1996-06-01), None
patent: 9092347 (1997-04-01), None
patent: 10-064598 (1999-03-01), None
patent: 2005-063689 (2005-10-01), None

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