发明名称 |
Catalytic monitoring method |
摘要 |
A catalytic monitoring method for an engine having two engine banks of which each coupled to one of two catalytic converters using first and second exhaust gas oxygen sensors respectively, upstream and downstream of one catalytic converter. Third and fourth exhaust gas oxygen sensors are respectively coupled upstream and downstream of the other catalytic converter. Switch ratios are determined for each of the engine banks based on the switching ratios of each upstream and downstream pair of exhaust gas oxygen sensors. A combination of the switch ratios is used to determine overall catalytic converter system performance.
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申请公布号 |
US6401452(B1) |
申请公布日期 |
2002.06.11 |
申请号 |
US20000648055 |
申请日期 |
2000.08.25 |
申请人 |
FORD GLOBAL TECHNOLOGIES, INC. |
发明人 |
DAVEY CHRISTOPHER KIRK;JERGER ROBERT JOSEPH;NADER DAVID ROBERT;KLUZNER MICHAEL IGOR |
分类号 |
F01N11/00;(IPC1-7):F01N3/00 |
主分类号 |
F01N11/00 |
代理机构 |
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代理人 |
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地址 |
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