Method and apparatus for determining the maintenance and charge

Details Method and apparatus for determining the maintenance and charge Method and apparatus for determining the maintenance and charge

1977-03-08

1978-03-21

Corcoran, Robert J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

320 48, 340249, G01N 2746, G08B 2100

Patent

active

040805603

ABSTRACT:
The maintenance condition of lead storage batteries is determined by measuring the no-load voltage, the voltage under a heavy current load and, subsequently thereto, measuring the recovery voltage at two instants spaced one second apart and by performing a qualitative comparison of the measurement results with predetermined reference voltages and making a logical evaluation of the comparison results.

REFERENCES:
patent: 3500167 (1970-03-01), Applegate et al.
patent: 4024523 (1977-05-01), Arnold et al.
patent: 4025916 (1977-05-01), Arnold et al.

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