Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Reexamination Certificate
2011-04-19
2011-04-19
Tso, Edward (Department: 2858)
Electricity: measuring and testing
Electrolyte properties
Using a battery testing device
C324S427000, C324S432000, C320S132000
Reexamination Certificate
active
07928735
ABSTRACT:
Improvements both in the methods whereby existing techniques for determining the condition of a battery are communicated to a user (for example, to the owner of a private vehicle, or to the service manager of a fleet of vehicles), or the vehicle's operating system, and in the methods for evaluating the condition of the battery are disclosed. It has been discovered by the inventors that the difference in internal resistance of a fully charged battery as measured during charging and as measured after charging is greater for a battery in poor condition than for a new battery. The invention relates in part to instruments and corresponding methods for evaluating the condition of a battery utilizing this discovery.
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Huang Yung-Sheng
Kallfelz Andrew F.
Angeli Michael de
Ramadan Ramy
Tso Edward
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