Vehicle emission sampling and analysis assembly |
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| 申请号 | EP01650089.4 | 申请日 | 2001-07-25 | 公开(公告)号 | EP1176412A3 | 公开(公告)日 | 2004-06-09 |
| 申请人 | SENSORS, INC.; | 发明人 | Reading, Andrew R.; Ensfield, Carl D.; Eden, Gideon; Rauschl, Susan; Nevius, Timothy A.; Wiegleb, Gerhard; Zummer, Robert K.; Shah, Atul; | ||||
| 摘要 | A vehicle gas emission analyzer assembly for a vehicle having a passenger compartment includes a gas analyzer system adapted to determine concentration and/or mass flow of at least one exhaust gas of an internal combustion engine. The analyzer may include a particular housing for the gas analyzer system. The gas analyzer system may include a hydrocarbon gas analyzer that is operated at a temperature that is sufficiently high to reduce deposits of hydrocarbon molecules present in the sample gas. The gas analyzer may include an ultraviolet source including a discharge lamp having a discrete emission line at an absorption frequency for a particular nitrogen-based gas. | ||||||
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