公开(公告)号：US20150004068A1

公开(公告)日：2015-01-01

申请号：US14488304

申请日：2014-09-17

申请人： Anders ANDREASSON ,  Guy Richard CHANDLER ,  Claus Friedrich GOERSMANN ,  James Patrick WARREN ,  Georg HÜTHWOHL

发明人： Anders ANDREASSON ,  Guy Richard CHANDLER ,  Claus Friedrich GOERSMANN ,  James Patrick WARREN ,  Georg HÜTHWOHL

IPC分类号： F01N3/20 ,  B01D53/94 ,  F01N3/021

CPC分类号： B01D53/9477 ,  B01D53/9418 ,  B01D53/9431 ,  B01D53/944 ,  B01D2251/2067 ,  B01D2255/1021 ,  B01D2255/50 ,  B01D2258/012 ,  F01N3/0231 ,  F01N3/2066 ,  F01N2590/08 ,  F01N2610/02 ,  F01N2900/1404 ,  Y02A50/2325 ,  Y02A50/2345 ,  Y02T10/24

摘要： A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, particulate filter, a source of reductant such as NH3 and an SCR catalyst and methods for operating such a system are disclosed. Considerable improvements in NOx conversion and soot reduction are observed even at relatively low operating temperatures.

公开(公告)号：US06613292B1

公开(公告)日：2003-09-02

申请号：US09528425

申请日：2000-03-17

申请人： Georg Hüthwohl ,  Bernd Maurer

发明人： Georg Hüthwohl ,  Bernd Maurer

IPC分类号： B01D5356

CPC分类号： C01C1/026 ,  B01D53/9431 ,  F01N3/2066 ,  F01N2610/02 ,  F01N2610/06 ,  F01N2610/11 ,  Y02T10/24

摘要： A converter for a device for supplying ammonia (NH3) into the exhaust gas flow of a combustion engine comprising a pressure-tight reaction vessel 2 for generating NH3 by heating a substance thermolytically separating NH3 under the effect of heat, and a heating unit 10 for heating the reaction vessel 2 to the operating temperature for generating the NH3, is defined thereby that the reaction vessel 2 usefully comprises in the region of its bottom an outlet 4 provided with connection means and an inlet 3, spaced apart from the outlet 4, also provided with connection means, with which connection means the interior of the reaction vessel 2 is connectable to a filling and withdrawal unit 13 for drawing off a carrier medium disposed in the reaction vessel 2, and for filling the reaction vessel 2 with new substance thermolytically separating NH3 transported by the carrier medium.

摘要翻译： 一种用于向内燃机的废气流中供应氨（NH 3）的装置的转换器，包括用于通过在热效应下加热热分解NH 3的物质来产生NH 3的耐压反应容器2;以及用于 将反应容器2加热到用于产生NH 3的操作温度，由此确定反应容器2在其底部的区域中有效地包括设置有连接装置的出口4和与出口4间隔开的入口3 设置有连接装置，其连接意味着反应容器2的内部可连接到用于抽出设置在反应容器2中的载体介质的填充和取出单元13，并且用于将反应容器2用热分解 NH3由载体介质输送。

公开(公告)号：US09273580B2

公开(公告)日：2016-03-01

申请号：US13254198

申请日：2010-02-24

申请人： Georg Hüthwohl

发明人： Georg Hüthwohl

IPC分类号： F01N3/00 ,  F01N3/20 ,  F02B37/16

CPC分类号： F01N3/2066 ,  F01N2610/02 ,  F01N2610/08 ,  F02B37/164 ,  Y02T10/144 ,  Y02T10/24

摘要： The invention relates to a reducing agent metering system, and to a method for controlling the injection of a reducing agent into the exhaust gas flow (9) of a turbocharged internal combustion engine for selective catalytic reduction, wherein the metering system can be connected to a reducing agent tank (1), from which reducing agent can be removed, wherein the metering system comprises at least one nozzle (5) through which the reducing agent can be injected by means of compressed air into the exhaust gas flow (9), wherein at least one part of the compressed air is taken from a charger of the internal combustion engine, wherein the compressed air supply (6) comprises an electric air pump (7) for generating compressed air, and comprises a bypass (19) in parallel with the air pump (7), so that the charge air of the turbocharger flows over or can flow over the air pump (7).

摘要翻译： 本发明涉及一种还原剂计量系统，以及用于控制将还原剂注入到用于选择性催化还原的涡轮增压内燃机的排气流（9）中的方法，其中计量系统可连接到 还原剂罐（1），其中可以除去还原剂，其中计量系统包括至少一个喷嘴（5），还原剂可以通过压缩空气通过该喷嘴喷射到排气流（9）中，其中 所述压缩空气的至少一部分从所述内燃机的充电器取出，其中所述压缩空气供应装置（6）包括用于产生压缩空气的电动空气泵（7），并且包括与 所述空气泵（7），使得所述涡轮增压器的增压空气流过或可以流过所述空气泵（7）。

公开(公告)号：US20150010451A1

公开(公告)日：2015-01-08

申请号：US14488299

申请日：2014-09-17

申请人： Anders ANDREASSON ,  Guy Richard Chandler ,  Claus Friedrich Goersmann ,  James Patrick Warren ,  Georg Hüthwohl

发明人： Anders ANDREASSON ,  Guy Richard Chandler ,  Claus Friedrich Goersmann ,  James Patrick Warren ,  Georg Hüthwohl

IPC分类号： B01D53/94

CPC分类号： B01D53/9477 ,  B01D53/9418 ,  B01D53/9431 ,  B01D53/944 ,  B01D2251/2067 ,  B01D2255/1021 ,  B01D2255/50 ,  B01D2258/012 ,  F01N3/0231 ,  F01N3/2066 ,  F01N2590/08 ,  F01N2610/02 ,  F01N2900/1404 ,  Y02A50/2325 ,  Y02A50/2345 ,  Y02T10/24

摘要： A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, particulate filter, a source of reductant such as NH3 and an SCR catalyst and methods for operating such a system are disclosed. Considerable improvements in NOx conversion and soot reduction are observed even at relatively low operating temperatures.

摘要翻译： 一种用于燃烧气体，特别是柴油发动机中的NOx还原的系统包括氧化催化剂，以将至少一部分NO转化为NO 2，微粒过滤器，还原剂源如NH 3和SCR催化剂以及用于操作这种系统的方法 被披露。 即使在较低的工作温度下也能观察到NOx转化率和烟灰减少的相当大的改善。

公开(公告)号：US09057304B2

公开(公告)日：2015-06-16

申请号：US12810335

申请日：2009-02-02

申请人： Georg Hüthwohl

发明人： Georg Hüthwohl

IPC分类号： F01N3/30 ,  F01N3/20

CPC分类号： F01N3/2066 ,  F01N3/208 ,  F01N2560/06 ,  F01N2610/02 ,  F01N2610/08 ,  F01N2610/085 ,  F01N2610/14 ,  F01N2610/1453 ,  F01N2610/146 ,  F01N2610/1473 ,  F01N2610/148 ,  F01N2900/1824 ,  Y02T10/24

摘要： The invention relates to a metering system for injecting a urea solution into the exhaust gas flow (9) of an internal combustion engine for selective catalytic reduction, and method for controlling the injecting of a urea solution by means of compressed air, wherein the metering system can be connected to a urea solution tank (1), wherefrom urea solution can be removed, and wherein the metering system can be connected to a compressed air supply (6), wherein the metering system comprises at least one nozzle (5) through which the urea solution can be injected into the exhaust gas flow (9) by means of compressed air, wherein the metering system comprises an air valve (7) by means of which the pressure and/or the quantity of air and/or the valve opening times of the compressed air supply (6) can be regulated, and a sensor for measuring the pressure and/or the quantity of air is disposed in the compressed air supply (6) between the air valve (7) and the nozzle (5), so that the quantity of compressed air fed in for atomizing the urea solution is controlled and lowered to the minimum air quantity required at a given moment, depending on the operating parameters of exhaust gas temperature and exhaust gas mass flow.

摘要翻译： 本发明涉及一种用于将尿素溶液注入用于选择性催化还原的内燃机的排气流（9）中的计量系统，以及用于通过压缩空气喷射尿素溶液的方法，其中计量系统 可以连接到尿素溶液罐（1），尿素溶液罐可以从中除去尿素溶液，并且其中计量系统可以连接到压缩空气供应源（6），其中计量系统包括至少一个喷嘴（5），通过该喷嘴 可以通过压缩空气将尿素溶液注入废气流（9）中，其中计量系统包括空气阀（7），空气阀（7）通过该空气阀和空气的压力和/或数量 可以调节压缩空气供应（6）的时间，并且用于测量空气压力和/或空气量的传感器设置在空气阀（7）和喷嘴（5）之间的压缩空气供应（6）中， ，使c的数量 根据废气温度和废气质量流量的运行参数，进料用于雾化尿素溶液的空气压力被控制并降低到给定时刻所需的最小空气量。

公开(公告)号：US20100319322A1

公开(公告)日：2010-12-23

申请号：US12810335

申请日：2009-02-02

申请人： Georg Hüthwohl

发明人： Georg Hüthwohl

IPC分类号： F01N3/00 ,  F01N3/10 ,  B05B7/00 ,  A62C5/02

CPC分类号： F01N3/2066 ,  F01N3/208 ,  F01N2560/06 ,  F01N2610/02 ,  F01N2610/08 ,  F01N2610/085 ,  F01N2610/14 ,  F01N2610/1453 ,  F01N2610/146 ,  F01N2610/1473 ,  F01N2610/148 ,  F01N2900/1824 ,  Y02T10/24

摘要： The invention relates to a metering system for injecting a urea solution into the exhaust gas flow (9) of an internal combustion engine for selective catalytic reduction, and method for controlling the injecting of a urea solution by means of compressed air, wherein the metering system can be connected to a urea solution tank (1), wherefrom urea solution can be removed, and wherein the metering system can be connected to a compressed air supply (6), wherein the metering system comprises at least one nozzle (5) through which the urea solution can be injected into the exhaust gas flow (9) by means of compressed air, wherein the metering system comprises an air valve (7) by means of which the pressure and/or the quantity of air and/or the valve opening times of the compressed air supply (6) can be regulated, and a sensor for measuring the pressure and/or the quantity of air is disposed in the compressed air supply (6) between the air valve (7) and the nozzle (5), so that the quantity of compressed air fed in for atomizing the urea solution is controlled and lowered to the minimum air quantity required at a given moment, depending on the operating parameters of exhaust gas temperature and exhaust gas mass flow.

摘要翻译： 本发明涉及一种用于将尿素溶液注入用于选择性催化还原的内燃机的排气流（9）中的计量系统，以及用于通过压缩空气喷射尿素溶液的方法，其中计量系统 可以连接到尿素溶液罐（1），尿素溶液罐可以从中除去尿素溶液，并且其中计量系统可以连接到压缩空气供应源（6），其中计量系统包括至少一个喷嘴（5），通过该喷嘴 可以通过压缩空气将尿素溶液注入废气流（9）中，其中计量系统包括空气阀（7），空气阀（7）通过该空气阀和空气的压力和/或数量 可以调节压缩空气供应（6）的时间，并且用于测量空气压力和/或空气量的传感器设置在空气阀（7）和喷嘴（5）之间的压缩空气供应（6）中， ，使c的数量 根据废气温度和废气质量流量的运行参数，进料用于雾化尿素溶液的空气压力被控制并降低到给定时刻所需的最小空气量。

公开(公告)号：US20120036835A1

公开(公告)日：2012-02-16

申请号：US13254198

申请日：2010-02-24

申请人： Georg Hüthwohl

发明人： Georg Hüthwohl

IPC分类号： F01N3/10 ,  F01N5/04 ,  F01N11/00

CPC分类号： F01N3/2066 ,  F01N2610/02 ,  F01N2610/08 ,  F02B37/164 ,  Y02T10/144 ,  Y02T10/24

摘要： The invention relates to a reducing agent metering system, and to a method for controlling the injection of a reducing agent into the exhaust gas flow (9) of a turbocharged internal combustion engine for selective catalytic reduction, wherein the metering system can be connected to a reducing agent tank (1), from which reducing agent can be removed, wherein the metering system comprises at least one nozzle (5) through which the reducing agent can be injected by means of compressed air into the exhaust gas flow (9), wherein at least one part of the compressed air is taken from a charger of the internal combustion engine, wherein the compressed air supply (6) comprises an electric air pump (7) for generating compressed air, and comprises a bypass (19) in parallel with the air pump (7), so that the charge air of the turbocharger flows over or can flow over the air pump (7).

摘要翻译： 本发明涉及一种还原剂计量系统，以及用于控制将还原剂注入到用于选择性催化还原的涡轮增压内燃机的排气流（9）中的方法，其中计量系统可连接到 还原剂罐（1），其中可以除去还原剂，其中计量系统包括至少一个喷嘴（5），还原剂可以通过压缩空气通过该喷嘴喷射到排气流（9）中，其中 所述压缩空气的至少一部分从所述内燃机的充电器取出，其中所述压缩空气供应装置（6）包括用于产生压缩空气的电动空气泵（7），并且包括与 所述空气泵（7），使得所述涡轮增压器的增压空气流过或可以流过所述空气泵（7）。

公开(公告)号：US20100050618A1

公开(公告)日：2010-03-04

申请号：US12529646

申请日：2008-03-03

申请人： Georg Hüthwohl ,  Thomas Kästner

发明人： Georg Hüthwohl ,  Thomas Kästner

IPC分类号： F01N3/10 ,  B21D51/16

CPC分类号： F01N1/084 ,  F01N1/083 ,  F01N1/089 ,  F01N3/2885 ,  F01N13/0097 ,  F01N2230/04 ,  F01N2490/02 ,  F01N2530/26 ,  Y02A50/2325

摘要： The invention relates to an exhaust gas after treatment apparatus having a hollow cylindrical casing shell (2). In the inside an exhaust catalytic converter, preferably adapted as SCR-catalytic converter, as well as an inflow chamber (9) for exhaust gas to be purified are provided. Therein, the inflow chamber (9) is defined by two bottom portions (10, 11) arranged opposite to each other. Further, a shell portion (12) gas tightly encompassing the bottom portions (10, 11) is provided for the inflow chamber (9). The inflow chamber (9) is encompassed by the casing shell (2) and may be manufactured from a material different from a material of the casing shell.The exhaust gas after treatment apparatus (1) is suitable in particular for commercial motor vehicles having a diesel engine.

摘要翻译： 本发明涉及具有中空圆柱形壳体壳体（2）的废气处理装置。 在内部设置优选适于SCR催化转化器的排气催化转化器，以及用于待净化排气的流入室（9）。 其中，流入室（9）由彼此相对布置的两个底部部分（10,11）限定。 此外，为流入室（9）设置气密地包围底部（10,11）的壳部（12）。 流入室（9）由壳体壳体（2）包围，并且可以由与套管壳体的材料不同的材料制成。 后处理装置（1）中的废气特别适用于具有柴油发动机的商用机动车辆。