G - Physics – 05 – D
Patent
G - Physics
05
D
324/25, 341/38.1
G05D 7/06 (2006.01) F02D 41/14 (2006.01) G05D 11/13 (2006.01)
Patent
CA 1100602
C-2798 A-21,987 GALVANIC EXHAUST GAS SENSOR WITH SOLID ELECTROLYTE Abstract of the Disclosure: Apparatus and method for controlling internal combustion engine air to fuel ratios that includes a solid oxide electrolyte galvanic-type exhaust gas sensor. The sensor electrolyte is doped to have a significant internal thermally varying electronic conductivity, that materially reduces variation in sensor output voltage with variations in temperature. A dopant such as iron oxide provides substantially complete temperature compensation of the output voltage at sensor operating temperatures above about 450° C.
295841
General Motors Corporation
Gowling Lafleur Henderson Llp
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