ELECTRICAL HEATING DEVICE
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United States of America Patent
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Issued Date -
Jan 19, 2012
app pub date -
Jul 15, 2011
filing date -
Jul 16, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a PTC based heating device for a motor vehicle, preferably with electrical propulsion, in which one or a plurality of supplementary circuits are connected to a heating circuit for being switched in optionally. In this way it is possible to use a large number of possibilities for temperature control for energy management which is important in electric vehicles.
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