Heating element for lambda sensors

Details Heating element for lambda sensors Heating element for lambda sensors

1999-07-28

2000-11-28

Walberg, Teresa

Electric heating

Heating devices

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

219269, 219476, 219477, 338 22R, 338 7, 338 9, 7320425, 73 2331, H05B 102

Patent

active

061538612

ABSTRACT:
A heating element, preferably for oblong plate-shaped sensors for measuring oxygen concentration in internal combustion engine exhaust gas, has a conductive heating strip at one end of the heating element and electrical conductors which are connected electrically to the conductive heating strip and which supply the heating current and provide connection to the other end of the heating element. The positive temperature coefficient of the resistor material of the conductive heating strip is lower than the positive temperature coefficient of the material of at least one section of the conductors.

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