公开(公告)号：US06634170B2

公开(公告)日：2003-10-21

申请号：US10106223

申请日：2002-03-27

申请人： Satoshi Hiranuma ,  Kihoko Kaita ,  Shinichi Saito ,  Takeshi Hashizume ,  Junya Watanabe ,  Kenji Kawai ,  Toru Kawatani ,  Yoshinaka Takeda

发明人： Satoshi Hiranuma ,  Kihoko Kaita ,  Shinichi Saito ,  Takeshi Hashizume ,  Junya Watanabe ,  Kenji Kawai ,  Toru Kawatani ,  Yoshinaka Takeda

IPC分类号： F01N300

CPC分类号： F02D41/1445 ,  F02D41/025 ,  F02D41/029 ,  F02D41/1454 ,  F02D41/18 ,  F02D41/405 ,  Y02T10/26 ,  Y02T10/44

摘要： An exhaust emission control system of an internal combustion engine is provided which controls the oxygen concentration of exhaust passing through the exhaust emission control device according to the flow rate of exhaust flowing through an exhaust passage when the exhaust emission control device is regenerated, so that the regeneration is completed within a short period of time while the filter is prevented from being damaged by melting during the regeneration. This improves the exhaust emission control performance and reliability of the filter.

公开(公告)号：US06666019B2

公开(公告)日：2003-12-23

申请号：US10106222

申请日：2002-03-27

申请人： Toru Kawatani ,  Kihoko Kaita ,  Shinichi Saito ,  Takeshi Hashizume ,  Junya Watanabe ,  Kenji Kawai ,  Satoshi Hiranuma ,  Yoshinaka Takeda

发明人： Toru Kawatani ,  Kihoko Kaita ,  Shinichi Saito ,  Takeshi Hashizume ,  Junya Watanabe ,  Kenji Kawai ,  Satoshi Hiranuma ,  Yoshinaka Takeda

IPC分类号： F01N300

CPC分类号： F02D41/029 ,  F02D41/024 ,  F02D41/1446 ,  F02D41/401 ,  F02D41/405 ,  Y02T10/26 ,  Y02T10/44

摘要： An exhaust emission control system of an internal combustion engine capable of post injection is disclosed which provides control such that the injection timing in sub injection is set to a point earlier than the target injection timing when the sub injection is started, and the injection timing in the sub injection is then delayed to the target injection timing. This realizes the post injection under the optimum conditions and enables an efficient rise in the exhaust temperature while inhibiting deterioration of the drivability due to a rapid change in torque.

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。

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。

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。

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。

公开(公告)号：US07104049B2

公开(公告)日：2006-09-12

申请号：US10808209

申请日：2004-03-24

申请人： Satoshi Hiranuma ,  Yoshinaka Takeda ,  Toru Kawatani ,  Reiko Doumeki

发明人： Satoshi Hiranuma ,  Yoshinaka Takeda ,  Toru Kawatani ,  Reiko Doumeki

IPC分类号： F01N3/00

CPC分类号： B01D53/96 ,  F01N3/0231 ,  F01N3/035 ,  F01N9/002 ,  F01N13/0097 ,  F01N2610/03 ,  F02B29/0425 ,  F02B37/00 ,  F02B2275/14 ,  F02D41/0007 ,  F02D41/029 ,  F02D41/402 ,  Y02T10/123 ,  Y02T10/144 ,  Y02T10/44 ,  Y02T10/47

摘要： An exhaust gas purification system includes an oxygen mass flow rate detecting unit for detecting or calculating a mass flow rate of oxygen fed to a filter and a regeneration end determining unit for determining a regeneration end of the filter in accordance with information provided from the oxygen mass flow rate detecting-unit and upon arrival of an integrated value of the oxygen mass flow rate at a predetermined value during regeneration of the filter.

摘要翻译： 废气净化系统包括：氧质量流量检测单元，用于检测或计算供给到过滤器的氧气的质量流量;再生结束确定单元，用于根据从氧气质量提供的信息确定过滤器的再生端 流量检测单元，并且在过滤器的再生期间到达氧质量流量的积分值为预定值时。

公开(公告)号：US07013638B2

公开(公告)日：2006-03-21

申请号：US10808208

申请日：2004-03-24

申请人： Satoshi Hiranuma ,  Yoshinaka Takeda ,  Toru Kawatani ,  Reiko Doumeki

发明人： Satoshi Hiranuma ,  Yoshinaka Takeda ,  Toru Kawatani ,  Reiko Doumeki

IPC分类号： F01N3/00

CPC分类号： F02D41/405 ,  F01N13/0097 ,  F01N2430/085 ,  F02B29/0406 ,  F02B37/00 ,  F02D41/029 ,  F02D41/402 ,  F02D2200/0802 ,  F02D2200/0812 ,  F02M26/05 ,  Y02T10/44

摘要： In regenerating a filter there are performed a first additional fuel injection involving additional injection of fuel into a cylinder after a main fuel injection in an engine to raise the temperature of an oxidation catalyst and a second additional fuel injection involving fuel injection after the first additional fuel injection to supply the oxidation catalyst with the fuel, a second additional fuel injection quantity is set in accordance with an engine speed and an engine load and is changed in accordance with an outlet temperature of the oxidation catalyst.

摘要翻译： 在再生过滤器中，执行第一附加燃料喷射，其涉及在发动机中的主燃料喷射之后将燃料附加到气缸中以提高氧化催化剂的温度和在第一附加燃料之后涉及燃料喷射的第二附加燃料喷射 喷射以向燃料供应氧化催化剂，根据发动机转速和发动机负荷设定第二附加燃料喷射量，并且根据氧化催化剂的出口温度而改变。

公开(公告)号：US20090025370A1

公开(公告)日：2009-01-29

申请号：US11816505

申请日：2006-02-24

申请人： Nobuhiro Kondo ,  Toru Kawatani ,  Yoshinaka Takeda ,  Hitoshi Yokomura ,  Minehiro Murata

发明人： Nobuhiro Kondo ,  Toru Kawatani ,  Yoshinaka Takeda ,  Hitoshi Yokomura ,  Minehiro Murata

IPC分类号： F01N9/00

CPC分类号： B01D53/94 ,  B01D53/90 ,  B01D53/9495 ,  F01N3/0235 ,  F01N3/0253 ,  F01N3/0814 ,  F01N3/0842 ,  F01N3/0871 ,  F01N3/0885 ,  F01N3/2066 ,  F01N3/208 ,  F01N9/002 ,  F01N13/0097 ,  F01N2240/36 ,  F01N2260/14 ,  F01N2560/08 ,  F01N2570/04 ,  F01N2570/14 ,  F01N2610/02 ,  F01N2610/146 ,  F01N2900/14 ,  F02B29/0425 ,  F02B37/00 ,  F02M26/05 ,  Y02T10/24 ,  Y02T10/47

摘要： An auxiliary agent supply means (32, 58) is provided to supply, upstream of an exhaust gas purification means (24, 56, 78), an auxiliary agent for maintaining the exhaust gas purifying function of the exhaust gas purification means (24, 56, 78). A control means (38) for controlling the auxiliary agent supply means (32, 58), thereby regulating the amount of the auxiliary agent supplied includes a standard supply quantity determination section (40, 50, 68, 86) for determining standard supply quantity of the auxiliary agent required to maintain the exhaust gas purifying function, a target supply quantity determination section (42, 52, 70, 88) for determining target supply quantity of the auxiliary agent, by correcting the standard supply quantity on the basis of exhaust pressure, and a supply control section (44, 54, 72, 90) for controlling the auxiliary agent supply means to supply the auxiliary agent in the target supply quantity.

摘要翻译： 提供辅助剂供给装置（32,58）以在废气净化装置（24,56,78）的上游供应用于维持排气净化装置（24,56）的排气净化功能的辅助剂 ，78）。 用于控制辅助剂供给装置（32,58）的控制装置（38），从而调节所供应的辅助剂的量，包括用于确定供给量的标准供给量的标准供给量确定部（40,50,68,86） 需要维持排气净化功能的辅助剂，用于通过基于排气压力校正标准供给量来确定辅助剂的目标供给量的目标供给量确定部（42,52,70,88） 以及用于控制辅助剂供给装置以将辅助剂供给到目标供给量中的供给控制部（44,45,72,90）。

公开(公告)号：US06918363B2

公开(公告)日：2005-07-19

申请号：US10952279

申请日：2004-09-28

申请人： Yasunori Daigo ,  Masahiro Maekawa ,  Toru Kawatani ,  Manabu Horiuchi ,  Satoshi Nakajima ,  Koichi Kawamoto

发明人： Yasunori Daigo ,  Masahiro Maekawa ,  Toru Kawatani ,  Manabu Horiuchi ,  Satoshi Nakajima ,  Koichi Kawamoto

IPC分类号： F01L1/34 ,  F01L1/26 ,  F01L13/00 ,  F02D13/02 ,  F02D21/08 ,  F02D41/00 ,  F02M25/07

CPC分类号： F02D13/0246 ,  F01L1/267 ,  F01L13/0036 ,  F01L2105/00 ,  F02D13/0211 ,  F02D13/0273 ,  F02D41/006 ,  F02D2041/001 ,  F02M26/01 ,  Y02T10/18

摘要： The valve drive apparatus of the invention comprises an exhaust valve drive mechanism capable of changing an open/close timing of an exhaust valve, and a control device which controls the exhaust valve drive apparatus so as to release the exhaust valve during an intake stroke, independently of an exhaust stroke, in an EGR mode. Preferably, the exhaust valve drive mechanism comprises a first exhaust cam which defines the exhaust valve releasing timing and the amount of valve lift in the exhaust stroke, and a second exhaust cam which defines the exhaust valve releasing timing and the amount of valve lift during the intake stroke. In an normal mode, the displacement of the first exhaust cam is transmitted to the exhaust valve, and in the EGR mode, the displacement of the second exhaust cam is transmitted to the exhaust valve, in addition to the displacement of the first exhaust cam.