Sensor element

Details Sensor element Sensor element

2011-07-05

2011-07-05

Huff, Mark F (Department: 1721)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S424000, C204S427000, C204S412000, C073S023200, C073S031050, C095S201000

Reexamination Certificate

active

07972489

ABSTRACT:
A sensor element is used to detect a physical property of a measuring gas, preferably to determine the oxygen content or the temperature of an exhaust gas of an internal combustion engine. The sensor element contains a first solid electrolyte layer and a second solid electrolyte layer. A first printed conductor and a second printed conductor are provided on opposite sides of the first solid electrolyte layer, the first printed conductor including a first electrode and a feed line to the first electrode, and the second printed conductor including a second electrode and a feed line to the second electrode. A third printed conductor, which includes a third electrode and a feed line to the third electrode, is provided on the second solid electrolyte layer. The second printed conductor is positioned between the third electrode and the first printed conductor.

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Hans-Martin Wiedenmann et al., “Exhaust Gas Sensors,”Automotive Electronics Handbook, 2nded., Ronald K. Jurgen (ed), McGraw-Hill (1999) pp. 6.1-6.25.
U.S. Appl. No. 60/451,484, filed Mar. 3, 2003, Markham et al.

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