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    • 2. 发明公开
    • 배기가스 정제 촉매의 작업성 검사방법
    • 检查排气净化催化剂的可操作性的方法
    • KR1020010092397A
    • 2001-10-24
    • KR1020010014345
    • 2001-03-20
    • 우미코레 아게 운트 코 카게
    • 노이하우젠울리히클라인하랄트록스에그베르트기쇼프위르겐크로이쩌토마스
    • F01N11/00
    • F01N11/002F01N11/00F01N11/005F01N2550/02F02B3/06Y02T10/47
    • PURPOSE: A process for checking operability of exhaust gas purification catalyst is provided to check the functioning of oxidation catalysts for diesel engines and allow determination of the catalyst activity directly via measurement of the conversion of carbon monoxide(CO). CONSTITUTION: A process for checking the operability of an exhaust gas purification catalyst for diesel engines, has a light-off temperature and a degree of conversion rCO for carbon monoxide(CO), by direct measurement of the carbon monoxide concentration in combination with a temperature measurement. To evaluate the remaining catalytic activity of the catalyst the difference DELTAT between the current catalyst exit temperature TE of the exhaust gas and the light-off temperature TCO,50%,fresh of the fresh catalyst for carbon monoxide stored as a function of the speed and loadDELTAT=TE-TCO,50%,fresh is determined and the degree of conversion rCO for carbon monoxide is ascertained.
    • 目的:提供一种检查废气净化催化剂可操作性的方法,以检查柴油发动机的氧化催化剂的功能,并通过测量一氧化碳(CO)的转化率直接测定催化剂活性。 构成:通过直接测量一氧化碳浓度与温度的一致性,对柴油发动机的废气净化催化剂的可操作性进行检查的方法具有一氧化碳(CO)的起燃温度和转化率rCO 测量。 为了评估催化剂的剩余催化活性,废气的当前催化剂出口温度TE与起燃温度TCO之间的差值DELTAT为50%,一氧化碳新鲜催化剂的新鲜作为速度存储, loadTELTAT = TE-TCO,50%,确定新鲜,并确定一氧化碳的转化程度rCO。