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1. 发明申请

WO2015181602A1 EXHAUST GAS CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE 审中-公开
标题翻译：内燃机排气控制装置
公开(公告)号：WO2015181602A1
公开(公告)日：2015-12-03
申请号：PCT/IB2015/000721
申请日：2015-05-20
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人： TSUKAMOTO, Yoshihisa , ITOH, Kazuhiro , NISHIOKA, Hiromasa , IMAI, Daichi , OHTSUKI, Hiroshi , NOTAKE, Yasumasa
IPC分类号： F02D41/02 , F01N9/00
CPC分类号： F01N3/0232 , B01D46/0078 , B01D46/446 , B01D46/46 , B01D2279/30 , F01N3/023 , F01N3/0234 , F01N3/027 , F01N9/002 , F01N9/007 , F01N11/002 , F01N2550/04 , F01N2900/0412 , F01N2900/0601 , F01N2900/1404 , F01N2900/1406 , F01N2900/1602 , F01N2900/1606 , F02D41/024 , F02D41/029 , Y02T10/26 , Y02T10/47
摘要： An estimated trapped amount (PM) that is an estimated value of an amount of particulate matter that is trapped in a particulate filter (15) arranged in an engine exhaust passage is calculated based on an engine operating state, and PM removal control is performed when the estimated trapped amount exceeds an upper limit amount. Reference temperature increase control is performed to remove the particulate matter from the particulate filter (15), and an actual temperature that is the temperature of the particulate filter (15) while the reference temperature increase control is being performed is detected. A reference temperature that is the temperature of the particulate filter (15) when it is assumed that the reference temperature increase control has been performed when the amount of particulate matter trapped in the particulate filter (15) is a reference initial trapped amount is stored in advance. The estimated trapped amount is corrected based on the actual temperature and the reference temperature.
摘要翻译：基于发动机运转状态来计算作为排放在发动机排气通路中的微粒过滤器（15）中的颗粒物质的量的估计值的估计捕获量（PM），并且，估计的被捕获量超过上限量。进行参考温度升高控制以从颗粒过滤器（15）中除去颗粒物质，并且检测在执行基准温度升高控制时微粒过滤器（15）的温度的实际温度。当假设在颗粒过滤器（15）中捕获的颗粒物质的量是基准初始捕集量时，假设已经执行了基准温度升高控制，则作为微粒过滤器（15）的温度的参考温度被存储在提前。基于实际温度和基准温度来校正被捕获量。

2. 发明授权

EP3081775B1 EXHAUST GAS PURIFICATION APPARATUS AND METHOD FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：EP3081775B1
公开(公告)日：2018-06-06
申请号：EP16164944.7
申请日：2016-04-12
申请人： Toyota Jidosha Kabushiki Kaisha
发明人： ITOH, Kazuhiro , NISHIOKA, Hiromasa , TSUKAMOTO, Yoshihisa , OHTSUKI, Hiroshi , NOTAKE, Yasumasa
IPC分类号： F01N3/20 , B01J37/02 , B01D53/94 , F01N11/00 , B01J23/34 , B01J23/00 , B01J29/072
CPC分类号： B01D53/9418 , B01D53/9431 , B01D53/9495 , B01D2251/2062 , B01D2251/2067 , B01D2255/9022 , B01D2257/404 , B01J23/002 , B01J23/34 , B01J29/072 , B01J37/0244 , B01J37/0246 , B01J2229/186 , F01N3/208 , F01N11/002 , F01N2370/02 , F01N2550/02 , F01N2610/02 , F01N2610/1453 , F01N2610/146 , F01N2900/1402 , F01N2900/1404 , F01N2900/1602 , Y02T10/24
摘要： An object is to enable efficient reduction of NOx by an NOx catalyst both when its temperature is low and when its temperature is high and improve the efficiency of reduction of NOx by the NOx catalyst, in particular when its temperature is low. An apparatus has a selective catalytic reduction NOx catalyst including at least a high-temperature catalyst layer having high capability of reducing NOx at high temperatures and a low-temperature catalyst layer having higher capability of reducing NOx at low temperatures than that of the high-temperature catalyst layer and arranged closer to a catalyst substrate than the high-temperature catalyst layer, addition means for adding a specific addition quantity of reducing agent for reducing NOx to exhaust gas flowing into the selective catalytic reduction NOx catalyst, and control means for controlling addition of the reducing agent by the addition means in such a way that the reducing agent concentration in a reducing agent atmosphere formed in the exhaust gas flowing into the selective catalytic reduction NOx catalyst is higher in the case where the temperature of the selective catalytic reduction NOx catalyst is in a specific low temperature range in which the NOx reducing capability of the low-temperature catalyst layer is higher than the NOx reducing capability of the high-temperature catalyst layer (31) than in the case where the temperature of the selective catalytic reduction NOx catalyst is in a specific high temperature range that is higher than the specific low temperature range and in which the NOx reducing capability of the high-temperature catalyst layer is higher than the NOx reducing capability of the low-temperature catalyst layer, during a reducing agent addition period, provided that said specific addition quantity is the same.

3. 发明公开

EP3081775A1 EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE 失效
标题翻译：内燃机排气净化装置
公开(公告)号：EP3081775A1
公开(公告)日：2016-10-19
申请号：EP16164944.7
申请日：2016-04-12
申请人： Toyota Jidosha Kabushiki Kaisha
发明人： ITOH, Kazuhiro , NISHIOKA, Hiromasa , TSUKAMOTO, Yoshihisa , OHTSUKI, Hiroshi , NOTAKE, Yasumasa
IPC分类号： F01N3/20 , B01J37/02 , B01D53/94
CPC分类号： B01D53/9418 , B01D53/9431 , B01D53/9495 , B01D2251/2062 , B01D2251/2067 , B01D2255/9022 , B01D2257/404 , B01J23/002 , B01J23/34 , B01J29/072 , B01J37/0244 , B01J37/0246 , B01J2229/186 , F01N3/208 , F01N11/002 , F01N2370/02 , F01N2550/02 , F01N2610/02 , F01N2610/1453 , F01N2610/146 , F01N2900/1402 , F01N2900/1404 , F01N2900/1602 , Y02T10/24
摘要： An object is to enable efficient reduction of NOx by an NOx catalyst both when its temperature is low and when its temperature is high and improve the efficiency of reduction of NOx by the NOx catalyst, in particular when its temperature is low. An apparatus has a selective catalytic reduction NOx catalyst including at least a high-temperature catalyst layer having high capability of reducing NOx at high temperatures and a low-temperature catalyst layer having higher capability of reducing NOx at low temperatures than that of the high-temperature catalyst layer and arranged closer to a catalyst substrate than the high-temperature catalyst layer, addition means for adding a specific addition quantity of reducing agent for reducing NOx to exhaust gas flowing into the selective catalytic reduction NOx catalyst, and control means for controlling addition of the reducing agent by the addition means in such a way that the reducing agent concentration in a reducing agent atmosphere formed in the exhaust gas flowing into the selective catalytic reduction NOx catalyst is higher in the case where the temperature of the selective catalytic reduction NOx catalyst is in a specific low temperature range in which the NOx reducing capability of the low-temperature catalyst layer is higher than the NOx reducing capability of the high-temperature catalyst layer (31) than in the case where the temperature of the selective catalytic reduction NOx catalyst is in a specific high temperature range that is higher than the specific low temperature range and in which the NOx reducing capability of the high-temperature catalyst layer is higher than the NOx reducing capability of the low-temperature catalyst layer, during a reducing agent addition period, provided that said specific addition quantity is the same.
摘要翻译：本发明的目的是当其温度低和当其温度高时通过NOx催化剂有效地降低NOx并且提高NOx催化剂的NOx还原效率，特别是当其温度低时。一种装置具有选择性催化还原NO X催化剂，该催化剂至少包括在高温下具有高还原NO X能力的高温催化剂层和在低温下具有比高温下具有更高的还原NO X还原能力的低温催化剂层与高温催化剂层相比配置在催化剂基材的附近;添加装置，其用于向流向选择还原型NOx催化剂的排气添加用于还原NOx的还原剂的特定添加量;以及控制装置，在选择还原型NOx催化剂的温度高于选择还原型NOx催化剂的温度的情况下，通过添加装置以使得在流入选择还原型NOx催化剂的排气中形成的还原剂气氛中的还原剂浓度高的方式，在具有NOx还原能力的特定低温范围内低于高温催化剂层（31）的NOx还原能力高于选择性催化还原型NOx催化剂的温度高于特定高温区域的情况在所述特定低温范围内，并且其中所述高温催化剂层的NOx还原能力高于所述低温催化剂层的NOx还原能力，只要所述特定添加量相同即可。

4. 发明授权

EP3149314B1 EXHAUST GAS CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：EP3149314B1
公开(公告)日：2018-06-20
申请号：EP15730244.9
申请日：2015-05-20
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人： TSUKAMOTO, Yoshihisa , ITOH, Kazuhiro , NISHIOKA, Hiromasa , IMAI, Daichi , OHTSUKI, Hiroshi , NOTAKE, Yasumasa
IPC分类号： F02D41/02 , F01N9/00
CPC分类号： F01N3/0232 , B01D46/0078 , B01D46/446 , B01D46/46 , B01D2279/30 , F01N3/023 , F01N3/0234 , F01N3/027 , F01N9/002 , F01N9/007 , F01N11/002 , F01N2550/04 , F01N2900/0412 , F01N2900/0601 , F01N2900/1404 , F01N2900/1406 , F01N2900/1602 , F01N2900/1606 , F02D41/024 , F02D41/029 , Y02T10/26 , Y02T10/47
摘要： An estimated trapped amount (PM) that is an estimated value of an amount of particulate matter that is trapped in a particulate filter arranged in an engine exhaust passage is calculated based on an engine operating state, and PM removal control is performed when the estimated trapped amount exceeds an upper limit amount. Reference temperature increase control is performed to remove the particulate matter from the particulate filter, and an actual temperature that is the temperature of the particulate filter while the reference temperature increase control is being performed is detected. A reference temperature that is the temperature of the particulate filter when it is assumed that the reference temperature increase control has been performed when the amount of particulate matter trapped in the particulate filter is a reference initial trapped amount is stored in advance. The estimated trapped amount is corrected based on the actual temperature and the reference temperature.

5. 发明公开

EP3149314A1 EXHAUST GAS CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE 失效
标题翻译： ABGASSTEUERUNGSVORRICHTUNG EINES VERBRENNUNGSMOTORS
公开(公告)号：EP3149314A1
公开(公告)日：2017-04-05
申请号：EP15730244.9
申请日：2015-05-20
申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA
发明人： TSUKAMOTO, Yoshihisa , ITOH, Kazuhiro , NISHIOKA, Hiromasa , IMAI, Daichi , OHTSUKI, Hiroshi , NOTAKE, Yasumasa
IPC分类号： F02D41/02 , F01N9/00
CPC分类号： F01N3/0232 , B01D46/0078 , B01D46/446 , B01D46/46 , B01D2279/30 , F01N3/023 , F01N3/0234 , F01N3/027 , F01N9/002 , F01N9/007 , F01N11/002 , F01N2550/04 , F01N2900/0412 , F01N2900/0601 , F01N2900/1404 , F01N2900/1406 , F01N2900/1602 , F01N2900/1606 , F02D41/024 , F02D41/029 , Y02T10/26 , Y02T10/47
摘要： An estimated trapped amount (PM) that is an estimated value of an amount of particulate matter that is trapped in a particulate filter arranged in an engine exhaust passage is calculated based on an engine operating state, and PM removal control is performed when the estimated trapped amount exceeds an upper limit amount. Reference temperature increase control is performed to remove the particulate matter from the particulate filter, and an actual temperature that is the temperature of the particulate filter while the reference temperature increase control is being performed is detected. A reference temperature that is the temperature of the particulate filter when it is assumed that the reference temperature increase control has been performed when the amount of particulate matter trapped in the particulate filter is a reference initial trapped amount is stored in advance. The estimated trapped amount is corrected based on the actual temperature and the reference temperature.
摘要翻译：基于发动机运转状态来计算作为排放在发动机排气通路中的微粒过滤器中的颗粒物质的量的估计值的估计的捕获量（PM），并且，在估计被捕获的情况下进行PM去除控制量超过上限量。进行基准温度升高控制以从颗粒过滤器中除去颗粒物质，并且检测在执行基准温度升高控制时微粒过滤器的温度的实际温度。当基准温度是微粒过滤器中被捕获在颗粒过滤器中的颗粒物质的量作为基准初始捕集量时，当假设已经执行了基准温度升高控制时，微粒过滤器的温度被预先存储。基于实际温度和基准温度校正估计的捕获量。

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