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1.发明公开DURABILITY TEST METHOD FOR EXHAUST GAS PURIFICATION DEVICE 失效VERFAHREN ZURPRÜFUNGDER DAUERHAFTIGKEIT EINER ABGASREINIGUNGSVORRICHTUNG
公开(公告)号：EP0786656A1
公开(公告)日：1997-07-30
申请号：EP96915185.1
申请日：1996-05-17
发明人： TANAHASHI, Toshio, Toyota Jidosha Kabushiki Kaisha , SANADA, Masakatsu, Toyota Jidosha Kabushiki Kaisha , DOMYO, Hiroyuki, Toyota Jidosha Kabushiki Kaisha , HIRAYAMA, Hiroshi, Toyota Jidosha Kabushiki Kaisha , SOBUE, Kazuaki, Toyota Jidosha Kabushiki Kaisha , HIGASHI, Tsuneo, Toyota Jidosha Kabushiki Kaisha , YOKOTA, Koji , SOBUKAWA, Hideo , SUZUKI, Tadashi , MATSUNAGA, Shinichi, Rabidensu Sangou Nishikan 602
IPC分类号： G01M17/007 , G01M15/00 , F01N3/00 , F01N3/20
CPC分类号： F01N11/002 , F01N2550/02 , F01N2550/20 , F02D41/1446 , F02D41/1495 , Y02A50/2324 , Y02T10/47
摘要： An internal combustion engine in which a three-way catalyst (12) for purification of the exhaust gas is arranged in the exhaust passage, wherein the relationship between the magnitude of the stress causing deterioration of the three-way catalyst (12), for example the catalytic bed temperature, and the rate of deterioration of the performance of the catalyst is found. A durability test is performed by raising the catalytic bed temperature higher than that of the vehicle under market driving. The length of the durability test at this time is determined from the relationship between the catalytic bed temperature and the rate of deterioration of the performance of the catalyst so as to give the same degree of deterioration of the performance of the catalyst as with market driving. The length of the durability test required for giving the same degree of deterioration of the performance of the catalyst is much shorter than the market driving time.
摘要翻译： 一种内燃机，其中在排气通道中布置有用于净化排气的三元催化剂（12），其中例如三元催化剂（12）引起的劣化应力的大小之间的关系 发现催化床温度和催化剂性能劣化的速率。 通过在市场驾驶下将催化床温度提高到高于车辆的耐久性试验。 此时的耐久性试验的长度根据催化床温度与催化剂性能劣化的关系来确定，从而与催化剂的性能相同程度的劣化与市场驾驶相同。 给出相同程度的催化剂性能劣化所需的耐久性试验的长度比市场行驶时间短得多。
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公开(公告)号：EP0786656B1
公开(公告)日：2005-11-09
申请号：EP96915185.1
申请日：1996-05-17
发明人： TANAHASHI, Toshio, Toyota Jidosha Kabushiki Kaisha , SANADA, Masakatsu, Toyota Jidosha Kabushiki Kaisha , DOMYO, Hiroyuki, Toyota Jidosha Kabushiki Kaisha , HIRAYAMA, Hiroshi, Toyota Jidosha Kabushiki Kaisha , SOBUE, Kazuaki, Toyota Jidosha Kabushiki Kaisha , HIGASHI, Tsuneo, Toyota Jidosha Kabushiki Kaisha , YOKOTA, Koji , SOBUKAWA, Hideo , SUZUKI, Tadashi , MATSUNAGA, Shinichi, Rabidensu Sangou Nishikan 602
CPC分类号： F01N11/002 , F01N2550/02 , F01N2550/20 , F02D41/1446 , F02D41/1495 , Y02A50/2324 , Y02T10/47
摘要： An internal combustion engine in which a three-way catalyst (12) for purification of the exhaust gas is arranged in the exhaust passage, wherein the relationship between the magnitude of the stress causing deterioration of the three-way catalyst (12), for example the catalytic bed temperature, and the rate of deterioration of the performance of the catalyst is found. A durability test is performed by raising the catalytic bed temperature higher than that of the vehicle under market driving. The length of the durability test at this time is determined from the relationship between the catalytic bed temperature and the rate of deterioration of the performance of the catalyst so as to give the same degree of deterioration of the performance of the catalyst as with market driving. The length of the durability test required for giving the same degree of deterioration of the performance of the catalyst is much shorter than the market driving time.
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