ELECTRICAL HEATING DEVICE
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United States of America Patent
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Issued Date -
Sep 29, 2011
app pub date -
Mar 3, 2011
filing date -
Mar 26, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to an electrical heating device for motor vehicles, in particular with electrical propulsion. Through a readjustment based on a comparison of set and actual values, the power is adapted to a specified power demand under continuously changing operating conditions. For this purpose, the total current passing through the heating device is measured, for example with a Hall sensor, and the momentary power consumption (actual value) determined by multiplication with the specified on-board electrical voltage.
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