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：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：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：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：US20100107612A1

公开(公告)日：2010-05-06

申请号：US12598548

申请日：2008-04-22

申请人： Satoshi Yamazaki ,  Yoshinaka Takeda ,  Hiroaki Fujita ,  Satoshi Hiranuma ,  Shinichi Saito

发明人： Satoshi Yamazaki ,  Yoshinaka Takeda ,  Hiroaki Fujita ,  Satoshi Hiranuma ,  Shinichi Saito

IPC分类号： F01N3/023 ,  F01N3/04 ,  F01N3/035 ,  F01N3/10

CPC分类号： F01N3/2066 ,  B01D53/90 ,  B01D53/9431 ,  B01D53/9477 ,  B01D2251/2067 ,  F01N3/0253 ,  F01N3/035 ,  F01N3/106 ,  F01N3/24 ,  F01N3/2882 ,  F01N3/2892 ,  F01N13/009 ,  F01N13/0097 ,  F01N13/08 ,  F01N2470/02 ,  F01N2610/02 ,  Y02T10/24

摘要： An exhaust purification apparatus for an engine has a first casing (17) that is interposed in an exhaust path (13); a second casing (23) that is set downstream of the first casing (17) and contains an exhaust purification device (24); a connecting pipe (22, 41, 51) that connects the first casing and the second casing (23) to each other and includes an insertion portion that is inserted in the first casing (17); and an injection nozzle (27, 52) that has a tip end inserted in the connecting pipe (22, 41, 51) and injects an auxiliary agent from the tip end. The insertion portion of the connecting pipe (22, 41, 51) is provided with a plurality of through-holes (22a, 41a, 41b, 51a) connecting the inside and the outside of the connecting pipe (22, 41, 51), so that the exhaust gas contained in the first casing (17) is introduced into the connecting pipe (22, 41, 51) through the through-holes and guided towards the second casing (23).

摘要翻译： 用于发动机的排气净化装置具有插入排气路径（13）中的第一壳体（17）。 第二壳体（23），其设置在所述第一壳体（17）的下游并且包含排气净化装置（24）; 连接第一壳体和第二壳体（23）彼此并且包括插入在第一壳体（17）中的插入部分的连接管（22,41,51）。 以及喷嘴（27,52），其具有插入所述连接管（22,41,51）中的前端，并从所述前端喷射辅助剂。 连接管（22,41,51）的插入部分设有多个连接在连接管（22,41,51）的内部和外侧的通孔（22a，41a，41b，51a） 使得包含在第一壳体17中的排气通过通孔被引入到连接管22,21,51中，并被引导到第二壳体23。

公开(公告)号：US08117830B2

公开(公告)日：2012-02-21

申请号：US12342135

申请日：2008-12-23

申请人： Satoshi Hiranuma ,  Yoshinaka Takeda ,  Hiroaki Fujita ,  Shinichi Saito ,  Yasuko Suzuki ,  Yuji Mitsui ,  Norihiro Kajimoto ,  Fumio Aoki ,  Hayato Aizawa

发明人： Satoshi Hiranuma ,  Yoshinaka Takeda ,  Hiroaki Fujita ,  Shinichi Saito ,  Yasuko Suzuki ,  Yuji Mitsui ,  Norihiro Kajimoto ,  Fumio Aoki ,  Hayato Aizawa

IPC分类号： F01N3/00 ,  F01N3/10

CPC分类号： F01N3/2066 ,  F01N3/035 ,  F01N3/106 ,  F01N13/009 ,  F01N13/0097 ,  F01N2240/20 ,  F01N2260/10 ,  F01N2470/30 ,  F01N2610/02 ,  Y02T10/24

摘要： An agitating device for agitating the exhaust gas of an engine includes a base plate having a plurality of through holes that are defined by radially extending spoke portions and a ring-like rim portion and are arranged in a circular pattern in a circumferential direction of the base plate, and a plurality of fins expanding from the respective spokes on a slant with respect to the base plate. The base plate is fixed in the exhaust passage by the rim portion being jointed to the exhaust passage at welded portions. The welded portions are each disposed in an area between respective two adjacent spoke portions in the circumferential direction of the base plate, and an outer edge of the rim portion positioned on the outer side of the rim portion in extending directions of the spoke portions is located next to the exhaust passage with a gap provided therebetween.

摘要翻译： 用于搅拌发动机的废气的搅拌装置包括：基板，具有由径向延伸的轮辐部分和环状边缘部分限定的多个通孔，并且沿圆周方向排列成圆形图案 板，以及从各个轮辐相对于基板倾斜地扩展的多个翼片。 基板通过在焊接部分处连接到排气通道的边缘部分固定在排气通道中。 焊接部各自设置在基板的圆周方向上的相邻的两个相邻的轮辐部之间的区域中，并且沿着轮辐部的延伸方向位于轮缘部的外侧的轮缘部的外缘位于 靠近排气通道，其间具有间隙。

公开(公告)号：US08136348B2

公开(公告)日：2012-03-20

申请号：US12251135

申请日：2008-10-14

申请人： Satoshi Hiranuma ,  Minehiro Murata ,  Yoshinaka Takeda ,  Hiroaki Fujita ,  Satoshi Yamazaki ,  Shinichi Saito ,  Yasuko Suzuki

发明人： Satoshi Hiranuma ,  Minehiro Murata ,  Yoshinaka Takeda ,  Hiroaki Fujita ,  Satoshi Yamazaki ,  Shinichi Saito ,  Yasuko Suzuki

IPC分类号： F01N3/00

CPC分类号： F01N3/208 ,  F01N3/0231 ,  F01N3/035 ,  F01N9/00 ,  F01N13/0097 ,  F02B37/00 ,  Y02T10/24 ,  Y02T10/47

摘要： An exhaust purification apparatus comprises an ammonia selective reduction-type NOx catalyst that selectively reduces NOx within exhaust gas by using ammonia as a reducing agent, a urea-water supply device that supplies urea-water into the exhaust gas existing upstream of the ammonia selective reduction-type NOx catalyst, and a control unit. The control unit controls the urea-water supply device so that the urea-water is intermittently supplied according to predetermined supply duration time and predetermined supply suspension time when the urea-water is supplied from the urea-water supply device for the purpose of providing ammonia to the ammonia selective reduction-type NOx catalyst.

摘要翻译： 排气净化装置包括通过使用氨作为还原剂选择性地还原废气中的NOx的氨选择还原型NOx催化剂，将尿素水供给到存在于氨选择还原剂上游的排气中的尿素水供给装置 型NOx催化剂和控制单元。 控制单元控制尿素水供应装置，以便当从尿素水供应装置供应尿素水以提供氨时，根据预定的供应持续时间和预定的供应停止时间间歇地供应尿素水 涉及氨选择还原型NOx催化剂。