Radiator having PTC electric resistance heating elements and spring-biased fin arrangement
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United States of America Patent
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Oct 15, 1991
Grant Date -
N/A
app pub date -
Jun 29, 1989
filing date -
Jul 15, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved radiator suitable for use with internal combustion engines in motor vehicles is provided. The invention converts conventional radiators, which ordinarilly provide heat to passenger compartments through exchange of heat built up in the coolant, into electrically operable radiators with electric resistance heating elements, commonly PTC resistors. The PTC resistors have self, temperature-regulating properties which prevent over heating. Additionally, sheet metal strips in heat-transmitting contact with the PTC resistors and spring elements acting on the sheet metal strips provide an efficient heat transfer mechanism whereby heat from the resistors is transferred without the self-regulating resistors constantly shutting off.
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