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 disclosure relates to an electrical heating device for motor vehicles, in particular with electrical propulsion. The heating device uses a PWM based control concept which can be used for heating elements with any non-linear characteristics. In this respect, activation times in a cycle frame are assigned to power stages to be controlled and are stored in a table in a non-volatile memory.
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