04937528 is referenced by 203 patents and cites 9 patents.

A vehicle storage battery is monitored to determine battery capacity, state of charge and certain fault conditions. The ambient temperature, battery voltage alternator/regulator output voltage and current to and from the battery are continuously measured. Current voltage (I-V) data is analyzed to determine the internal resistance and polarization of the battery. A determination is made regarding state of charge and fault conditions produced by corroded terminals and low electrolyte level. The low temperature starting limit is determined by comparing the battery's power output capability with starting power requirements of the vehicle. Data produced by the comparison are indicated on the dashboard of the vehicle.

Title
Method for monitoring automotive battery status
Application Number
7/257913
Publication Number
4937528
Application Date
October 14, 1988
Publication Date
June 26, 1990
Inventor
Thirumalai G Palanisamy
Morristown
NJ, US
Agent
Richard C Stewart
Gerhard H Fuchs
Ernest D Buff
Assignee
Allied Signal
NJ, US
IPC
G01N 27/46
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