Process and device for shutting off a motor vehicle heating device
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United States of America Patent
Stats
-
Jun 20, 2000
Grant Date -
N/A
app pub date -
Oct 16, 1998
filing date -
Oct 16, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A process and a device for shutting off of a motor vehicle heating device in which a liquid heat exchange medium is heated by a heating device and is delivered to a heat exchanger of the heating device by means of a circulating pump driven by an electric motor. To prevent damage to the heating device or the circulating pump when the heat exchange medium circuit is not adequately filled with liquid heat exchange medium or in the case of poor venting, a value which at least indirectly indicates the power consumption of the electric motor is sent to a control device as a signal indicative of the existence of a delivery fault associated with the circulating pump.
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