Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent
1979-07-18
1981-10-27
Tokar, Michael J.
Electricity: measuring and testing
Electrolyte properties
Using a battery testing device
324428, G01N 2742
Patent
active
042976391
ABSTRACT:
An apparatus for testing storage batteries under no-load and load conditions is provided which limits the duration of a test of any battery having adequate charge capacity and thereby protects both the apparatus and the battery from the hazards of excessive current. The battery testing apparatus includes a load circuit having current responsive switch means that automatically opens when its predetermined amperage rating is exceeded to provide a load test having a duration corresponding to the reaction time of the switch means. A voltage indicator, including a lamp or a voltmeter, detects and indicates the relative magnitude of the voltage available between the terminals of the battery so that the charge capacity of the battery can be determined both under no-load and load conditions. An ammeter may be also included for measuring the current passing through the load circuit during the load test.
REFERENCES:
patent: 1882581 (1932-10-01), Haskins
patent: 1907682 (1933-05-01), Taylor
patent: 2229009 (1941-01-01), Berry
patent: 2632793 (1953-03-01), Linn
patent: 3876931 (1975-04-01), Godshalk
patent: 3899732 (1975-08-01), Staby
patent: 3969667 (1976-07-01), McWilliams
patent: 4080560 (1978-03-01), Abert
patent: 4193026 (1980-03-01), Finger
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