| 摘要 |
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 DEG C. |
