Process and device for shutting off a motor vehicle heating devi

Details Process and device for shutting off a motor vehicle heating devi Process and device for shutting off a motor vehicle heating devi

1998-10-16

2000-06-20

Paladini, Albert W.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307125, 165 42, 219202, 237 2R, 237 5, 361 23, B60H 106

Patent

active

060781076

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.

REFERENCES:
patent: 4418743 (1983-12-01), Dietzsch et al.
patent: 4598581 (1986-07-01), Brekke
patent: 4944454 (1990-07-01), Widemann et al.
patent: 5571432 (1996-11-01), Sarbach
patent: 5878950 (1999-03-01), Faccone et al.

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