Method and apparatus for determining cold cranking amperes...

Details Method and apparatus for determining cold cranking amperes... Method and apparatus for determining cold cranking amperes...

2005-04-26

2005-04-26

Tibbits, Pia (Department: 2838)

Electricity: battery or capacitor charging or discharging

One cell or battery charges another

Vehicle battery charging

Reexamination Certificate

active

06885167

ABSTRACT:
A method and apparatus for determining the cold cranking ampere (CCA) value of a battery under test in which an algorithm of battery CCA as a function of battery internal resistance (IR) is provided, the IR of the battery under test is measured, and the measured IR determines the CCA value of the battery under test from the algorithm. The method and apparatus are used either in a vehicle in which the battery is installed or on a stand alone basis.

REFERENCES:
patent: 5281919 (1994-01-01), Palanisamy
patent: 5721688 (1998-02-01), Bramwell
patent: 6384608 (2002-05-01), Namaky
patent: 6469512 (2002-10-01), Singh et al.
patent: 6618681 (2003-09-01), Hoenig et al.

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