Battery warmer
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United States of America Patent
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Jan 25, 1994
Grant Date -
N/A
app pub date -
Aug 30, 1991
filing date -
Aug 30, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A battery warmer for a vehicle mounted storage battery comprises a resistance heater for warming the battery and a combination power supply within a single electrically insulated enclosure passing a dc current to the battery terminals and controlling the ac power to limit the temperature of the resistance heater.
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