公开(公告)号：US09422844B2

公开(公告)日：2016-08-23

申请号：US12176315

申请日：2008-07-18

申请人： Yasuko Suzuki ,  Hiroaki Fujita ,  Satoshi Hiranuma ,  Shinichi Saito ,  Yoshio Nakayama

发明人： Yasuko Suzuki ,  Hiroaki Fujita ,  Satoshi Hiranuma ,  Shinichi Saito ,  Yoshio Nakayama

IPC分类号： F01N13/08 ,  F01N3/20 ,  F01N3/023 ,  B01D53/90 ,  B01D53/94 ,  F01N3/035 ,  F01N3/08 ,  F01N13/00 ,  F02B37/00

CPC分类号： F01N3/0231 ,  B01D53/90 ,  B01D53/9431 ,  B01D2251/2062 ,  F01N3/035 ,  F01N3/0821 ,  F01N3/2066 ,  F01N13/009 ,  F01N13/0093 ,  F01N13/0097 ,  F01N2240/20 ,  F01N2570/18 ,  F01N2610/02 ,  F01N2610/08 ,  F01N2610/14 ,  F02B37/00 ,  Y02T10/24

摘要： An exhaust purification device for an engine comprises a catalyst device that purifies the exhaust gas of the engine by using an additive; a venturi-shaped mixing chamber that is disposed upstream from the catalyst device and extends from a taper portion with a diameter tapering downstream to continue to a constricted portion with a minimum diameter and then to a flared portion with a diameter that is increased in the downstream direction; a swirl-generating device that is disposed in vicinity of a most upstream section of the taper portion of the mixing chamber and generates a swirling flow in the exhaust gas; and an additive-injection device that is disposed upstream from the constricted portion of the mixing chamber and downstream from the swirl-generating device, and injects the additive into the mixing chamber.

摘要翻译： 用于发动机的排气净化装置包括通过使用添加剂净化发动机的排气的催化剂装置; 文丘里型混合室，其设置在催化剂装置的上游并且从具有直径逐渐减小的下游的锥形部分延伸以继续到具有最小直径的收缩部分，然后延伸到具有在下游中增加的直径的扩口部分 方向; 旋流产生装置，其设置在所述混合室的所述锥形部的最上游部附近，并在所述排气中产生旋流; 以及添加剂注入装置，其设置在所述混合室的所述收缩部的上游并且在所述涡旋发生装置的下游，并将所述添加剂注入所述混合室。

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：US07908843B2

公开(公告)日：2011-03-22

申请号：US11566655

申请日：2006-12-04

申请人： Reiko Doumeki ,  Yoshinaka Takeda ,  Satoshi Hiranuma ,  Ritsuko Shinozaki ,  Shinichi Saitou ,  Yasuko Suzuki

发明人： Reiko Doumeki ,  Yoshinaka Takeda ,  Satoshi Hiranuma ,  Ritsuko Shinozaki ,  Shinichi Saitou ,  Yasuko Suzuki

IPC分类号： F01N3/00

CPC分类号： B01D53/9431 ,  B01D53/9495 ,  B01D2251/2062 ,  F01N3/0231 ,  F01N3/208 ,  F01N13/009 ,  F01N13/0093 ,  F01N2560/06 ,  F01N2610/02 ,  F01N2610/08 ,  F01N2610/146 ,  F01N2900/08 ,  Y02T10/24

摘要： An exhaust gas purification device comprises a NOx catalyst for purifying NOx contained in exhaust gas by using ammonia as a reducing agent, an ammonia supply device for supplying ammonia to the NOx catalyst, a catalyst temperature sensor for detecting the internal temperature of the NOx catalyst, and a control unit that stops the ammonia supply from the ammonia supply device when the stop condition is satisfied that the internal temperature of the NOx catalyst becomes equal to or higher than first prescribed temperature in the process where ammonia is supplied from the ammonia supply device to the NOx catalyst.

摘要翻译： 废气净化装置包括：通过使用氨作为还原剂来净化废气中的NOx的NOx催化剂;向NOx催化剂供给氨的氨供给装置;检测NOx催化剂的内部温度的催化剂温度传感器; 以及控制单元，当在从氨供给装置供给氨的处理中，当停止条件满足NOx催化剂的内部温度为第一规定温度以上时停止从氨供给装置供给的氨的控制部， NOx催化剂。

公开(公告)号：US20090100827A1

公开(公告)日：2009-04-23

申请号：US12247220

申请日：2008-10-07

申请人： Yasuko SUZUKI ,  Hiroaki FUJITA ,  Satoshi HIRANUMA ,  Shinichi SAITO ,  Masayuki KATAFUCHI

发明人： Yasuko SUZUKI ,  Hiroaki FUJITA ,  Satoshi HIRANUMA ,  Shinichi SAITO ,  Masayuki KATAFUCHI

IPC分类号： F01N3/10

CPC分类号： F01N3/2066 ,  F01N3/24 ,  F01N13/009 ,  F01N2340/00 ,  F01N2450/20 ,  F01N2470/30 ,  Y02T10/24

摘要： An exhaust gas purification apparatus includes a venturi constituting part of an exhaust pipe and formed by joining two axially divided parts together, and a reducing agent supply device for injecting an aqueous urea solution into the exhaust pipe. The venturi is positioned such that joints thereof are located to the right and left, respectively, of the center of a cross section perpendicular to the axis of the venturi.

摘要翻译： 废气净化装置包括构成排气管的一部分并通过将两个轴向分开的部分接合在一起而形成的文氏管，以及用于将尿素水溶液注入排气管的还原剂供给装置。 文丘里管的定位使得其关节分别位于垂直于文丘里管轴线的横截面中心的右侧和左侧。

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。

公开(公告)号：US20090165447A1

公开(公告)日：2009-07-02

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： F01N3/20

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：US20090100825A1

公开(公告)日：2009-04-23

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： F01N9/00

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。

公开(公告)号：US20090019842A1

公开(公告)日：2009-01-22

申请号：US12176315

申请日：2008-07-18

申请人： Yasuko SUZUKI ,  Hiroaki FUJITA ,  Satoshi HIRANUMA ,  Shinichi SAITO ,  Yoshio NAKAYAMA

发明人： Yasuko SUZUKI ,  Hiroaki FUJITA ,  Satoshi HIRANUMA ,  Shinichi SAITO ,  Yoshio NAKAYAMA

IPC分类号： F01N3/20

CPC分类号： F01N3/0231 ,  B01D53/90 ,  B01D53/9431 ,  B01D2251/2062 ,  F01N3/035 ,  F01N3/0821 ,  F01N3/2066 ,  F01N13/009 ,  F01N13/0093 ,  F01N13/0097 ,  F01N2240/20 ,  F01N2570/18 ,  F01N2610/02 ,  F01N2610/08 ,  F01N2610/14 ,  F02B37/00 ,  Y02T10/24

摘要： An exhaust purification device for an engine comprises a catalyst device that purifies the exhaust gas of the engine by using an additive; a venturi-shaped mixing chamber that is disposed upstream from the catalyst device and extends from a taper portion with a diameter tapering downstream to continue to a constricted portion with a minimum diameter and then to a flared portion with a diameter that is increased in the downstream direction; a swirl-generating device that is disposed in vicinity of a most upstream section of the taper portion of the mixing chamber and generates a swirling flow in the exhaust gas; and an additive-injection device that is disposed upstream from the constricted portion of the mixing chamber and downstream from the swirl-generating device, and injects the additive into the mixing chamber.

摘要翻译： 用于发动机的排气净化装置包括通过使用添加剂净化发动机的排气的催化剂装置; 文丘里型混合室，其设置在催化剂装置的上游并且从具有直径逐渐减小的下游的锥形部分延伸以继续到具有最小直径的收缩部分，然后延伸到具有在下游中增加的直径的扩口部分 方向; 旋流产生装置，其设置在所述混合室的所述锥形部的最上游部附近，并在所述排气中产生旋流; 以及添加剂注入装置，其设置在所述混合室的所述收缩部的上游并且在所述涡旋发生装置的下游，并将所述添加剂注入所述混合室。

公开(公告)号：US07992379B2

公开(公告)日：2011-08-09

申请号：US12176311

申请日：2008-07-18

申请人： Yasuko Suzuki ,  Hiroaki Fujita ,  Satoshi Hiranuma ,  Shinichi Saito ,  Yoshio Nakayama

发明人： Yasuko Suzuki ,  Hiroaki Fujita ,  Satoshi Hiranuma ,  Shinichi Saito ,  Yoshio Nakayama

IPC分类号： F01N3/36

CPC分类号： F01N3/2066 ,  F01N3/035 ,  F01N3/2892 ,  F01N13/008 ,  F01N13/009 ,  F01N2240/20 ,  F01N2560/06 ,  F01N2610/02 ,  Y02T10/24

摘要： An exhaust purification device for an engine comprises a catalytic device for purifying exhaust by using an additive, a deflecting device for allowing the exhaust to flow through and causing the exhaust to be agitated, upstream of the catalytic device, an additive injection device for injecting an additive, downstream of the deflecting device, a temperature detection device for detecting exhaust temperature, downstream of the deflecting device, and a control unit for controlling the additive injection device on the basis of the exhaust temperature detected by the temperature detection device. The temperature detection device has a temperature detection part located within a region where the exhaust having passed through the deflecting device has increased velocity.

摘要翻译： 用于发动机的排气净化装置包括用于通过使用添加剂净化排气的催化装置，用于使排气流过并使排气在催化装置上游被搅动的偏转装置，用于注入 添加剂，偏转装置的下游，用于检测排气温度的温度检测装置，偏转装置的下游，以及用于基于由温度检测装置检测出的排气温度来控制添加剂注入装置的控制单元。 温度检测装置具有温度检测部，位于通过偏转装置的排气具有增加的速度的区域内。

公开(公告)号：US20110088375A1

公开(公告)日：2011-04-21

申请号：US12920795

申请日：2009-03-24

申请人： Yasuko Suzuki ,  Hiroaki Fujita ,  Satoshi Hiranuma ,  Shinichi Saito

发明人： Yasuko Suzuki ,  Hiroaki Fujita ,  Satoshi Hiranuma ,  Shinichi Saito

IPC分类号： F01N3/24

CPC分类号： F01N3/0814 ,  B01D53/90 ,  B01D53/9431 ,  B01F3/04021 ,  B01F3/04049 ,  B01F5/0413 ,  B01F5/0426 ,  B01F5/0451 ,  B01F5/0646 ,  B01F5/0652 ,  F01N3/035 ,  F01N3/0842 ,  F01N3/106 ,  F01N13/009 ,  F01N13/0097 ,  F01N2240/20 ,  F01N2470/30 ,  F01N2610/02 ,  F01N2610/1453 ,  F02B37/00

摘要： Disclosed is an exhaust purification device for an internal combustion engine provided with a venturi-shaped mixing chamber (13) upstream of a NOx catalyst (16), said mixing chamber (13) formed continuously from a tapering part (13a) along which the radius decreases in the downstream direction, a waist part (13b) at which the radius is at smallest, and a widening part (13c) along which the radius increases in the downstream direction. A vane plate (18) and an aqueous urea solution spray nozzle (19) are arranged inside the tapering part (13a). The ratio (a/b) of the distance (a) between the vane plate (18) and the center of the waist part (13b) and the distance (b) between the center of the waist part (13b) and the mouth of the NOx catalyst (16) is set between 0.5 and 1.0.

摘要翻译： 公开了一种用于内燃机的排气净化装置，其在NOx催化剂（16）的上游设有文丘里状混合室（13），所述混合室（13）从锥形部分（13a）连续形成，半径 下游方向的下降，半径为最小的腰部（13b）和沿下游方向的半径增大的加宽部（13c）。 叶片板（18）和尿素水溶液喷雾喷嘴（19）布置在锥形部分（13a）的内部。 叶片板（18）与腰部（13b）的中心之间的距离（a）和腰部（13b）的中心与腰部（13b）的中心之间的距离（a）的比（a / b） NOx催化剂（16）设定在0.5〜1.0之间。