Thermoelectric fire alarm device
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United States of America Patent
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N/A
Issued Date -
Jun 19, 2003
app pub date -
Dec 18, 2001
filing date -
Dec 18, 2001
priority date (Note) -
Abandoned
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Abstract
A thermoelectric fire alarm system capable of generating electric power. A thermoelectric device is compressed between a heat absorbing plate and a cold side heat sink. A fire heats the plate. A phase change material is provided to absorb heat at an approximately constant temperature to keep the cold side heat sink relatively cold to provide at least a temporary temperature differential across the thermoelectric device allowing the device to generate sufficient electric power to activate an alarm identifying the fire.
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