| 摘要 |
<p>An exhaust gas oxygen sensor comprising: (a) a solid electrolyte oxygen diffusion conductor (91) divided to form separate electrically insulated portions, one side of both portions being exposed to ambient air and the other side of both portions being exposed to exhaust gases; (b) first and second electrodes (94, 95) on different portions of said electrolyte and each directed to an exposure of ambient air; (c) a highly catalytic third electrode (93) on one electrolyte portion directed to an exposure of exhaust gas; and (d) a low-to-noncatalytic fourth electrode (92) on the other of said electrolyte portions directed also to an exposure of exhaust gas.</p> |
