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公开(公告)号：US07406959B2
公开(公告)日：2008-08-05
申请号：US11628652
申请日：2005-06-02
CPC分类号： F02D41/0055 , F01N13/0097 , F02B29/0425 , F02B37/00 , F02D41/0007 , F02D41/401 , F02D41/405 , F02D2041/0017 , F02D2041/0022 , F02M26/05 , F02M26/25 , F02M26/50 , Y02T10/146 , Y02T10/42 , Y02T10/47
摘要： An engine control system includes an EGR device 10 which connects an exhaust passage Ex and an intake passage I and has an EGR valve; an intake throttle valve 41 placed in the intake passage I; and an engine control unit which is provided with an engine operation data calculator A1 accumulating mileages of a vehicle or an engine operation period, a fuel injection controller A2 controlling a fuel injection amount and a fuel injection timing, an EGR controller A3 controlling an opening of the EGR valve; a throttle valve controller A4 controlling an opening of the intake throttle valve; and an EGR passage cleaning controller A5 which delays a fuel injection timing Tn, increases an opening β g of the EGR valve, and reduces an opening θ s of the intake throttle valve when the total mileage or the total operation period calculated by the engine operation data calculator becomes equal to a predetermined threshold.
摘要翻译： 发动机控制系统包括连接排气通道Ex和进气通道I并具有EGR阀的EGR装置10; 放置在进气通道I中的进气节流阀41; 以及发动机控制单元，该发动机控制单元设置有累积车辆的里程或发动机运转期间的发动机运转数据运算部A 1，控制燃料喷射量和燃料喷射正时的燃料喷射控制器A 2，控制 EGR阀的开口; 控制进气节流阀的开度的节气门控制器A 4; 并且延迟燃料喷射正时Tn的EGR通道清洗控制器A 5增加EGR阀的开度β，并且当由发动机计算出的总里程或总运行时间时减小进气节流阀的开度θ 操作数据计算器变得等于预定阈值。
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公开(公告)号：US20080066449A1
公开(公告)日：2008-03-20
申请号：US11596975
申请日：2005-05-12
IPC分类号： F01N3/20
CPC分类号： B01D53/9495 , F01N3/0814 , F01N3/0842 , F01N3/2006 , F01N13/009 , F02B29/0406 , F02B37/00 , F02D41/0002 , F02D41/0245 , F02D41/0275 , F02D41/08 , F02D41/401 , F02D41/403 , F02M26/05 , F02M26/23 , F02M26/54 , Y02T10/26 , Y02T10/42 , Y02T10/44
摘要： There is provided an oxidizing catalyst located in the upstream of the exhaust gas purifying catalyst. The catalyst capacity of the oxidizing catalyst is set so that, in the relationship between a value obtained by dividing exhaust flow velocity by the catalyst capacity (exhaust flow velocity/catalyst capacity) and catalyst activatibility, when the exhaust flow velocity is exhaust flow velocity at the time of idle operation of the internal combustion engine, the catalyst activatibility is maximum (prescribed maximum activation range) and the value obtained by dividing the exhaust flow velocity by the catalyst capacity is maximum or close to the maximum.
摘要翻译： 提供位于废气净化催化剂上游的氧化催化剂。 设定氧化催化剂的催化剂容量，使得在排气流速除以催化剂容量（排气流速/催化剂容量）和催化剂活化能力之间获得的值与废气流速为排气流速在 内燃机的怠速运转时间，催化剂活化能力最大（规定的最大活化范围），通过将排气流速除以催化剂容量而得到的值为最大或接近最大值。
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公开(公告)号：US20080017175A1
公开(公告)日：2008-01-24
申请号：US11628652
申请日：2005-06-02
CPC分类号： F02D41/0055 , F01N13/0097 , F02B29/0425 , F02B37/00 , F02D41/0007 , F02D41/401 , F02D41/405 , F02D2041/0017 , F02D2041/0022 , F02M26/05 , F02M26/25 , F02M26/50 , Y02T10/146 , Y02T10/42 , Y02T10/47
摘要： An engine control system includes an EGR device 10 which connects an exhaust passage Ex and an intake passage I and has an EGR valve; an intake throttle valve 41 placed in the intake passage I; and an engine control unit which is provided with an engine operation data calculator A1 accumulating mileages of a vehicle or an engine operation period, a fuel injection controller A2 controlling a fuel injection amount and a fuel injection timing, an EGR controller A3 controlling an opening of the EGR valve; a throttle valve controller A4 controlling an opening of the intake throttle valve; and an EGR passage cleaning controller A5 which delays a fuel injection timing Tn, increases an opening β g of the EGR valve, and reduces an opening θ s of the intake throttle valve when the total mileage or the total operation period calculated by the engine operation data calculator becomes equal to a predetermined threshold.
摘要翻译： 发动机控制系统包括连接排气通道Ex和进气通道I并具有EGR阀的EGR装置10; 放置在进气通道I中的进气节流阀41; 以及发动机控制单元，该发动机控制单元设置有累积车辆的里程或发动机运转期间的发动机运转数据运算部A 1，控制燃料喷射量和燃料喷射正时的燃料喷射控制器A 2，控制 EGR阀的开口; 控制进气节流阀的开度的节气门控制器A 4; 并且延迟燃料喷射正时Tn的EGR通道清洗控制器A 5增加EGR阀的开度β，并且当由发动机计算出的总里程或总运行时间时减小进气节流阀的开度θ 操作数据计算器变得等于预定阈值。
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公开(公告)号：US20050229589A1
公开(公告)日：2005-10-20
申请号：US11093027
申请日：2005-03-29
IPC分类号： F02D45/00 , F01N3/00 , F01N3/08 , F01N3/10 , F01N3/20 , F01N3/24 , F01N3/28 , F01N3/36 , F01N9/00 , F02B29/04 , F02B37/00 , F02D41/02 , F02D41/04 , F02M25/07
CPC分类号： F01N3/0871 , F01N3/0814 , F01N3/0842 , F01N3/0885 , F01N3/36 , F01N2430/06 , F01N2570/04 , F01N2570/14 , F02B29/0406 , F02B37/00 , F02D41/025 , F02D41/028 , F02D2200/0802 , F02M26/05 , F02M26/23 , Y02A50/2344 , Y02T10/26
摘要： An exhaust gas purifying device for an engine according to the present invention includes a NOx absorbing catalytic converter provided in an exhaust path of the engine, an exhaust light oil adding injector which supplies a reducing agent component into the exhaust path, a control unit which executes the rich spike operation that controls an air-fuel ratio to the rich side per predetermined time, which adds the HC component to the NOx absorbing catalytic converter, and which heats to an S purge temperature or higher so as to eliminate a sulfur component absorbed by the NOx absorbing catalytic converter, and a catalyst temperature measuring sensor which measures the temperature of the NOx absorbing catalytic converter, wherein the control unit controls an operation cycle of the rich spike operation based on the deviation of the S purge temperature with respect to the temperature measured by the catalyst temperature measuring sensor.
摘要翻译： 根据本发明的用于发动机的废气净化装置包括设置在发动机的排气路径中的NOx吸收催化转化器，向排气路径供给还原剂组分的排气轻油添加喷射器，执行 在每个预定时间内控制空燃比到富侧的丰富尖峰操作，其将HC组分添加到NOx吸收催化转化器，并且加热至S吹扫温度或更高，以消除由S吹扫温度或更高的S吹扫温度或更高的S成分吸收的硫成分， 所述NOx吸收催化转化器和测量所述NOx吸收催化转化器的温度的催化剂温度测量传感器，其中所述控制单元基于所述S吹扫温度相对于所述温度的偏差来控制所述富尖峰操作的操作周期 由催化剂温度测量传感器测量。
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公开(公告)号：US20050223698A1
公开(公告)日：2005-10-13
申请号：US11094788
申请日：2005-03-30
IPC分类号： B01D53/86 , F01N3/00 , F01N3/08 , F01N3/10 , F01N3/20 , F01N9/00 , F01N11/00 , F02B37/00 , F02D41/02
CPC分类号： F01N3/0885 , F01N3/0814 , F01N3/0842 , F01N2610/03 , F02B37/00 , F02D41/028 , F02D2200/0802
摘要： An exhaust cleaning device includes a NOx storage reduction catalyst storing NOx when an air-fuel ratio of an inflowing exhaust gas is lean and releasing the stored NOx when the air-fuel ratio of the inflowing exhaust gas is rich; an air-fuel ratio changing unit; a reducing agent supplying unit which adds a reducing agent to the NOx storage reduction catalyst; a temperature detection unit which detects a temperature of the NOx storage reduction catalyst; a poisoning recovery timing judging unit which judges a timing for executing a SOx poisoning recovery process of releasing SOx from the NOx storage reduction catalyst; and a control unit.
摘要翻译： 排气净化装置包括：当流入的废气的空燃比稀的时候存储NOx的NOx储存还原催化剂，并且当流入的废气的空燃比浓时释放储存的NOx; 空燃比改变单元; 向NOx存储还原催化剂添加还原剂的还原剂供给单元; 温度检测单元，其检测NOx储存还原催化剂的温度; 中毒恢复定时判断单元，其判断执行从NOx吸留还原催化剂释放SOx的SOx中毒恢复处理的定时; 和控制单元。
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公开(公告)号：US07497078B2
公开(公告)日：2009-03-03
申请号：US10531329
申请日：2003-10-16
申请人： Satoshi Hiranuma , Ritsuko Shinozaki , Yoshinori Takahashi , Yoshinaka Takeda , Reiko Doumeki , Shinichi Saito , Toru Kawatani , Takeshi Hashizume , Kenji Kawai
发明人： Satoshi Hiranuma , Ritsuko Shinozaki , Yoshinori Takahashi , Yoshinaka Takeda , Reiko Doumeki , Shinichi Saito , Toru Kawatani , Takeshi Hashizume , Kenji Kawai
IPC分类号： F01N3/00
CPC分类号： F01N3/2853 , F01N3/0231 , F01N3/035 , F01N13/0097 , F02D41/1467 , F02D2200/0812
摘要： An exhaust gas purifying system reliably detects an amount of accumulated particulates, lengthens forced regeneration intervals, and improves fuel efficiency. The exhaust gas purifying system comprises: a particulate filter 22 disposed in an exhaust system of an internal combustion engine 2 and collecting particulates from exhaust gas, and an NO2 generating unit 21 upstream of or in the particulate filter 22; a discharged particulate amount calculating unit A1 calculates an amount Me of discharged particulates on the basis of an excess air ratio λ; a burnt particulate amount calculating unit A2 calculates an amount Mb of burnt particulates on the basis of the temperature of exhaust gas in front of the particulate filter or the temperature of the particulate filter; and a particulate accumulation amount calculating unit calculates an amount Ma of accumulated particulates on the basis of the amount Me of discharged particulates or the amount Mb of burnt particulates.
摘要翻译： 排气净化系统可靠地检测累积的微粒量，延长强制再生间隔，提高燃料效率。 废气净化系统包括：设置在内燃机2的排气系统中并从废气中收集微粒的微粒过滤器22和微粒过滤器22上游或其中的NO 2产生单元21; 排出微粒量计算单元A1基于过量空气比λ计算排出的微粒的量Me; 烧成颗粒量计算单元A2基于颗粒过滤器前面的废气温度或颗粒过滤器的温度来计算燃烧微粒的量Mb; 颗粒蓄积量计算单元基于排出的微粒的量Me或燃烧的微粒的量Mb来计算积累的微粒的量Ma。
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公开(公告)号：US20060107658A1
公开(公告)日：2006-05-25
申请号：US10531329
申请日：2003-10-16
申请人： Satoshi Hiranuma , Ritsuko Shinozaki , Yoshinori Takahashi , Yoshinaka Takeda , Reiko Doumeki , Shinichi Saito , Toru Kawatani , Takeshi Hashizume , Kenji Kawai
发明人： Satoshi Hiranuma , Ritsuko Shinozaki , Yoshinori Takahashi , Yoshinaka Takeda , Reiko Doumeki , Shinichi Saito , Toru Kawatani , Takeshi Hashizume , Kenji Kawai
IPC分类号： F01N3/00
CPC分类号： F01N3/2853 , F01N3/0231 , F01N3/035 , F01N13/0097 , F02D41/1467 , F02D2200/0812
摘要： An exhaust gas purifying system reliably detects an amount of accumulated particulates, lengthens forced regeneration intervals, and improves fuel efficiency. The exhaust gas purifying system comprises: a particulate filter 22 disposed in an exhaust system of an internal combustion engine 2 and collecting particulates from exhaust gas, and an NO2 generating unit 21 upstream of or in the particulate filter 22; a discharged particulate amount calculating unit A1 calculates an amount Me of discharged particulates on the basis of an excess air ratio λ; a burnt particulate amount calculating unit A2 calculates an amount Mb of burnt particulates on the basis of the temperature of exhaust gas in front of the particulate filter or the temperature of the particulate filter; and a particulate accumulation amount calculating unit calculates an amount Ma of accumulated particulates on the basis of the amount Me of discharged particulates or the amount Mb of burnt particulates.
摘要翻译： 排气净化系统可靠地检测累积的微粒量，延长强制再生间隔，提高燃料效率。 废气净化系统包括：设置在内燃机2的排气系统中并从废气中收集颗粒的微粒过滤器22和在微粒过滤器上游或在微粒过滤器上游的NO 2发生单元21 22; 排出微粒量计算单元A 1基于过量空气比λ计算排出的微粒的量Me; 烧成颗粒量计算单元A 2基于微粒过滤器前面的排气温度或颗粒过滤器的温度来计算燃烧微粒的量Mb; 颗粒蓄积量计算单元基于排出的微粒的量Me或燃烧的微粒的量Mb来计算积累的微粒的量Ma。
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公开(公告)号：US06935104B2
公开(公告)日：2005-08-30
申请号：US10628490
申请日：2003-07-29
申请人： Toru Kawatani , Naoki Onoda , Hiroshi Jyoutaki , Ritsuko Shinozaki , Yoshinori Takahashi , Yoshinaka Takeda , Kenji Sasaki , Kenji Kawai , Shinichi Saito , Masayuki Takahashi
发明人： Toru Kawatani , Naoki Onoda , Hiroshi Jyoutaki , Ritsuko Shinozaki , Yoshinori Takahashi , Yoshinaka Takeda , Kenji Sasaki , Kenji Kawai , Shinichi Saito , Masayuki Takahashi
IPC分类号： F02D45/00 , B01D53/94 , F01N3/08 , F01N3/20 , F01N3/24 , F01N11/00 , F02B29/04 , F02B37/00 , F02D41/02 , F02D41/14 , F02D41/34 , F02D41/38 , F02D41/40 , F02M45/04 , F02M63/02 , F01N3/00
CPC分类号： F01N3/2066 , F01N3/0814 , F01N3/0842 , F01N11/00 , F01N2610/02 , F02B29/0425 , F02B37/00 , F02D41/0235 , F02D41/146 , F02D41/1461 , F02D41/1463 , F02D41/403 , F02D2200/0802 , F02M45/04 , F02M63/0225 , Y02A50/2345 , Y02T10/24 , Y02T10/44
摘要： An engine control system comprises a NOx catalyst selectively reducing NOx from exhaust gases, a reducing agent supply providing the reducing agent to an exhaust system and positioned upstream of the NOx catalyst, NOx sensors detecting an amount of NOx in exhaust gases emitted by an internal combustion engine, a fuel injection system injecting fuel to the internal combustion engine in a main injection mode or a pilot-and-main injection mode, and a control unit activating the fuel injection system in the pilot-and-main injection mode when a NOx purifying efficiency determined on the basis of data of emitted NOx is equal to or below a preset purifying efficiency.
摘要翻译： 发动机控制系统包括选择性地从排气中还原NOx的NOx催化剂，将还原剂提供给排气系统并位于NOx催化剂上游的还原剂供应源，NOx传感器检测由内燃发射的废气中的NOx的量 发动机，以主喷射模式或先导和主喷射模式将燃料喷射到内燃机的燃料喷射系统，以及当先导和主喷射模式中的燃料喷射系统激活时，控制单元 基于排放的NOx的数据确定的效率等于或低于预设的净化效率。
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9.发明授权NOx cleaning apparatus and NOx cleaning method for internal combustion engine 有权用于内燃机的NOx净化装置和NOx净化方法公开(公告)号：US06755014B2
公开(公告)日：2004-06-29
申请号：US10329705
申请日：2002-12-27
申请人： Kenji Kawai , Yoshinori Takahashi , Shinichi Saito , Toru Kawatani , Yoshinaka Takeda , Ristuko Shinozaki , Reiko Doumeki , Takeshi Hashizume , Satoshi Hiranuma
发明人： Kenji Kawai , Yoshinori Takahashi , Shinichi Saito , Toru Kawatani , Yoshinaka Takeda , Ristuko Shinozaki , Reiko Doumeki , Takeshi Hashizume , Satoshi Hiranuma
IPC分类号： F01N300
CPC分类号： F02D41/1461 , B01D53/86 , B01D53/9409 , B01D53/9495 , B01D2251/2062 , B01D2251/2067 , B01D2257/404 , F01N3/0814 , F01N3/0871 , F01N3/208 , F01N13/008 , F01N2560/026 , F01N2560/06 , F01N2560/14 , F01N2570/14 , F01N2570/18 , F01N2610/02 , F01N2610/08 , F01N2900/1621 , F01N2900/1622 , Y02A50/2344 , Y02T10/24
摘要： A NOx catalyst for selectively reducing NOx in exhaust gas by adsorbing ammonia is provided at an exhaust system of an engine, ammonia or urea water is supplied to the NOx catalyst by reducing agent supplying means, a consumption amount of ammonia adsorbed to the NOx catalyst is derived by consumption amount deriving means based on an exhaust amount of NOx exhausted from the engine detected or estimated by NOx exhaust amount deriving means and an actual NOx cleaning rate by the NOx catalyst derived by actual NOx cleaning rate deriving means, an actual adsorption amount of ammonia adsorbed to the NOx catalyst is derived in accordance with an addition amount of ammonia and the consumption amount of ammonia by adsorption amount deriving means and the reducing agent supplying means is controlled by controlling means in accordance with the actual adsorption amount.
摘要翻译： 在发动机的排气系统中设置用于通过吸附氨选择性还原排气中的NOx的NOx催化剂，还原剂供给装置向NOx催化剂供给氨或尿素水，吸附到NOx催化剂上的氨的消耗量为 基于由NOx排出量导出单元检测出的或者由NOx排出量导出单元检测到的发动机排出的NOx的排出量和由实际的NOx净化率导出单元导出的NOx催化剂的实际的NOx净化率的消耗量导出单元导出的实际吸附量 根据氨的添加量导出吸附到NOx催化剂的氨，并且通过控制装置根据实际吸附量控制吸附量导出装置和还原剂供给装置的氨的消耗量。
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公开(公告)号：US20140376434A1
公开(公告)日：2014-12-25
申请号：US14369028
申请日：2013-02-25
IPC分类号： H04W52/02
CPC分类号： H04W52/0225 , H04B1/16 , H04B17/318 , H04W52/0229 , H04W52/0245 , Y02D70/142 , Y02D70/40
摘要： Besides a time constant circuit 5 that imposes a frequency limit on a wireless signal detected by a power detecting circuit 4 at a preset time constant Ta, there is provided a time constant circuit 8 that imposes a frequency limit on the wireless signal at a time constant Tb greater than the time constant Ta. When the signal level of an intermittent operation signal supplied from a signal input terminal 1 is H level or when a threshold processing circuit 6 decides that the level of the wireless signal is higher than a threshold Th, a logic unit 3 supplies a control signal that instructs starting to the power detecting circuit 4, time constant circuits 5 and 8 and threshold processing circuits 6 and 9.
摘要翻译： 除了在预设时间常数Ta对由功率检测电路4检测到的无线信号施加频率限制的时间常数电路5之外，还提供了时间常数电路8，其以时间常数对无线信号施加频率限制 Tb大于时间常数Ta。 当从信号输入端子1提供的间歇操作信号的信号电平为H电平时，或者当阈值处理电路6判定无线信号的电平高于阈值Th时，逻辑单元3提供控制信号 指示开始到功率检测电路4，时间常数电路5和8以及阈值处理电路6和9。
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