Device for supervising condition of electric consumers in a moto

Details Device for supervising condition of electric consumers in a moto Device for supervising condition of electric consumers in a moto

1986-01-08

1987-10-20

Paschall, M. H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219205, 219497, 219506, 123179BG, 123179H, H05B 102

Patent

active

047015969

ABSTRACT:
A device for monitoring operational condition of electrical consumers in a motor vehicle, particularly of heater plugs of a diesel engine, includes inductances connected in series between respective heater plugs and their d.c. supply. Alternating or pulsating current is supplied to a connection point of the inductances with the d.c. supply, and potentials across the inductances and the heater plugs are simultaneously evaluated to indicate a defective heater plug.

REFERENCES:
patent: 3543572 (1970-12-01), Summerer et al.
patent: 3743922 (1973-07-01), Festos
patent: 4090125 (1978-05-01), Warner
patent: 4547734 (1985-10-01), Spaude

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