公开(公告)号：US20170107880A1

公开(公告)日：2017-04-20

申请号：US14885147

申请日：2015-10-16

Applicant: Southwest Research Institute

Inventor： Gordon J. J. BARTLEY ,  Terrence F. ALGER, II

IPC: F01N3/20 ,  F02M26/13 ,  B01D53/94 ,  B01J23/46 ,  B01J35/00 ,  B01J35/10 ,  F02M35/104 ,  F01N3/28

CPC classification number: F01N3/2066 ,  B01D53/9413 ,  B01D53/945 ,  B01D2251/202 ,  B01D2251/204 ,  B01D2255/1026 ,  B01D2258/01 ,  B01J23/462 ,  B01J35/0006 ,  B01J35/1014 ,  B01J35/1019 ,  F01N3/2073 ,  F01N3/2803 ,  F01N2430/02 ,  F01N2570/14 ,  F01N2610/00 ,  F01N2610/04 ,  F01N2610/05 ,  F02M26/13 ,  F02M35/104 ,  Y02A50/2344

Abstract: The present disclosure is directed at a ruthenium based catalyst for NOx reduction. More specifically, ruthenium based catalysts are used for NOx reduction in an internal combustion engine to reduce NOx to nitrogen, at relatively high conversion and selectivity, using carbon monoxide and hydrogen as reductants. The ruthenium based catalyst has particular utility in exhaust gas recirculation such as in dedicated exhaust gas recirculation (D-EGR) systems.

公开(公告)号：US20160001275A1

公开(公告)日：2016-01-07

申请号：US14770043

申请日：2014-02-24

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Yosuke GOTO ,  Naohiro KATO ,  Yuta AKASAKA ,  Shota KAWASHIMA

IPC: B01J29/74 ,  B01D53/94 ,  B01J35/00

CPC classification number: B01J29/7415 ,  B01D53/944 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/2066 ,  B01D2255/20707 ,  B01D2255/20715 ,  B01D2255/2092 ,  B01D2255/30 ,  B01D2255/502 ,  B01D2255/9207 ,  B01D2257/502 ,  B01D2258/012 ,  B01J23/44 ,  B01J23/63 ,  B01J29/7007 ,  B01J35/0006 ,  B01J37/0244 ,  B01J37/0246 ,  F01N2610/05 ,  F01N2900/1621

Abstract: A catalyst that is not only capable of efficiently treating CO even at a low exhaust gas temperature, but also capable of exerting favorable CO purification efficiency in a low-temperature exhaust gas even in a case of being exposed for a long time to an engine exhaust gas that is a high temperature and contains HC, CO, NOx, water vapor and the like; and an exhaust gas treatment technique are described. The catalyst for purifying exhaust gas contains: a noble metal; an oxide containing as a base material A at least two kinds of elements selected from the group consisting of aluminum, zirconium and titanium; and an oxide containing as a base material B at least one kind of element selected from the group consisting of silicon, cerium, praseodymium and lanthanum; in which the base material A and the base material B satisfy a specific formula.

Abstract translation: 催化剂即使在低排气温度下也能够有效地处理CO，而且即使在长时间暴露于发动机排气的情况下也能够在低温废气中施加良好的CO净化效率的催化剂 含有HC，CO，NOx，水蒸汽等的高温气体; 并描述废气处理技术。 废气净化催化剂含有：贵金属; 含有作为基材的氧化物选自铝，锆和钛中的至少两种元素; 以及含有选自硅，铈，镨和镧中的至少一种元素作为基材B的氧化物; 其中基材A和基材B满足特定的配方。

公开(公告)号：US09032708B2

公开(公告)日：2015-05-19

申请号：US13214078

申请日：2011-08-19

Applicant: Xuantian Li ,  Andre Boutel ,  Jacobus Neels ,  William Allison Logan

Inventor： Xuantian Li ,  Andre Boutel ,  Jacobus Neels ,  William Allison Logan

IPC: F01N3/00 ,  F02M25/12 ,  C01B3/36 ,  F01N3/023 ,  H01M8/06

CPC classification number: F02M25/12 ,  C01B3/36 ,  C01B2203/0255 ,  C01B2203/169 ,  F01N3/023 ,  F01N2240/30 ,  F01N2610/04 ,  F01N2610/05 ,  H01M8/0618 ,  Y02E60/50 ,  Y02P70/56 ,  Y02T10/121

Abstract: In situations where the demand for syngas is prolonged, a fuel processor is operated continuously to provide a syngas stream for a prolonged period. The equivalence ratio of reactants supplied to the fuel processor is controlled so that a high fuel-conversion efficiency to hydrogen and carbon monoxide is obtained at temperatures correspondent to carbon production balance, where carbon is formed and gasified at approximately the same rate in the fuel processor.

Abstract translation: 在对合成气需求延长的情况下，燃料处理器连续运行以提供合成气流长时间。 控制供应给燃料处理器的反应物的当量比，使得在与碳生产平衡相对应的温度下获得对氢气和一氧化碳的高燃料转化效率，其中碳在燃料处理器中以大致相同的速率形成和气化 。

公开(公告)号：US08631647B2

公开(公告)日：2014-01-21

申请号：US13011372

申请日：2011-01-21

Applicant: Jacobus Neels ,  Richard Sederquist ,  Xuantian Li ,  Lasitha Cumaranatunge ,  Campbell R. McConnell

Inventor： Jacobus Neels ,  Richard Sederquist ,  Xuantian Li ,  Lasitha Cumaranatunge ,  Campbell R. McConnell

IPC: F01N3/20

CPC classification number: F01N3/0253 ,  F01N3/032 ,  F01N3/0821 ,  F01N3/0878 ,  F01N3/206 ,  F01N2240/30 ,  F01N2610/04 ,  F01N2610/05 ,  F01N2610/08

Abstract: A system and method for regenerating a device in an engine exhaust after-treatment system is provided. To regenerate the device, a syngas stream is introduced into the engine exhaust stream and combusts in the presence of a catalyst in the after-treatment system, raising the temperature. A supplemental liquid fuel stream is then selectively introduced into and is vaporized by the syngas stream to form a combined fuel stream. Combustion of the combined fuel stream with the engine exhaust in the presence of the catalyst further heats the device bringing it to a temperature suitable for regeneration. The catalyst can be upstream of or within the device being regenerated.

Abstract translation: 提供了一种用于在发动机排气后处理系统中再生装置的系统和方法。 为了再生装置，将合成气流引入发动机废气流中，并在后处理系统中的催化剂存在下燃烧，升高温度。 补充的液体燃料流然后被选择性地引入合成气流中并由合成气流蒸发以形成组合的燃料流。 在催化剂存在的情况下燃烧混合燃料流与发动机排气进一步加热装置使其达到适于再生的温度。 催化剂可以在再生装置的上游或内部。

公开(公告)号：US20130067888A1

公开(公告)日：2013-03-21

申请号：US13673545

申请日：2012-11-09

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Jin Ha LEE

IPC: F01N3/00

CPC classification number: F01N3/00 ,  F01N3/033 ,  F01N3/0807 ,  F01N3/0814 ,  F01N3/106 ,  F01N3/206 ,  F01N11/002 ,  F01N13/009 ,  F01N13/0093 ,  F01N2240/30 ,  F01N2240/36 ,  F01N2610/03 ,  F01N2610/05 ,  F01N2900/1824 ,  F02M26/06 ,  F02M26/15 ,  F02M26/16 ,  F02M26/71 ,  Y02T10/24 ,  Y02T10/47

Abstract: A purification system for variable post injection in LP EGR, the system includes a turbo charger disposed downstream of a diesel engine, a DPF (catalyzed particulate filter) disposed downstream of the turbo charger, a NOx reduction apparatus disposed upstream or downstream of the DPF, a bypass line diverged from the DPF for mixing exhaust gas and air inflowing the turbo charger, a exhaust gas control portion disposed downstream of the DPF for controlling flowing of the exhaust gas and a lean/rich controlling portion for controlling lean/rich of the exhaust gas.

Abstract translation: 一种用于LP EGR中可变后喷射的净化系统，该系统包括设置在柴油发动机下游的涡轮增压器，设置在涡轮增压器下游的DPF（催化微粒过滤器），设置在DPF上游或下游的NOx还原装置， 旁路管线从DPF分流，用于混合废气和流入涡轮增压器的空气;排气控制部分，设置在DPF的下游，用于控制废气的流动;以及稀薄/浓缩控制部分，用于控制排气的浓度/浓度 加油站。

公开(公告)号：US07861517B2

公开(公告)日：2011-01-04

申请号：US11271716

申请日：2005-11-09

Applicant: David Goulette ,  Joseph V. Bonadies

Inventor： David Goulette ,  Joseph V. Bonadies

IPC: F01N3/00

CPC classification number: F01N3/2033 ,  F01N3/0231 ,  F01N3/029 ,  F01N3/035 ,  F01N3/0807 ,  F01N3/0814 ,  F01N3/0842 ,  F01N3/206 ,  F01N3/2066 ,  F01N9/00 ,  F01N11/002 ,  F01N2240/30 ,  F01N2610/04 ,  F01N2610/05 ,  F01N2900/1631 ,  Y02T10/26 ,  Y02T10/47

Abstract: A method for controlling temperature of a catalyst. The method includes monitoring temperature of the catalyst and determining that the catalyst is outside of a catalyst operating temperature window. If the catalyst temperature is high enough for exothermic reaction to occur, reformate is injected into the catalyst. If the catalyst not high enough for exothermic reaction to occur, reformate is injected upstream of the catalyst and ignited.

Abstract translation: 一种控制催化剂温度的方法。 该方法包括监测催化剂的温度并确定催化剂在催化剂工作温度范围之外。 如果催化剂温度足够高以致发生放热反应，则将重整产物注入到催化剂中。 如果催化剂不足以发生放热反应，则将重整产物注入催化剂的上游并点燃。

公开(公告)号：US20100287917A1

公开(公告)日：2010-11-18

申请号：US12811456

申请日：2008-11-05

Applicant: Katsuji Wada ,  Shinya Ishimaru ,  Jun Iwamoto

Inventor： Katsuji Wada ,  Shinya Ishimaru ,  Jun Iwamoto

IPC: F01N3/20

CPC classification number: F01N3/0871 ,  B01D53/9409 ,  B01D53/9495 ,  B01D2251/202 ,  B01D2251/204 ,  B01D2255/1021 ,  B01D2255/206 ,  B01D2255/20738 ,  B01D2255/2092 ,  B01D2255/502 ,  B01D2255/9022 ,  B01D2255/908 ,  B01D2258/012 ,  B01D2258/014 ,  B01J23/002 ,  B01J23/63 ,  B01J29/072 ,  B01J29/7215 ,  B01J37/0225 ,  B01J37/0244 ,  B01J37/0246 ,  B01J2523/00 ,  C01B3/386 ,  C01B2203/0261 ,  C01B2203/1041 ,  C01B2203/1064 ,  C01B2203/84 ,  F01N3/0842 ,  F01N2240/30 ,  F01N2560/025 ,  F01N2560/06 ,  F01N2610/03 ,  F01N2610/05 ,  F01N2610/08 ,  F01N2900/0422 ,  F01N2900/08 ,  F01N2900/1602 ,  F01N2900/1614 ,  F02D41/0275 ,  F02D41/1446 ,  F02D41/1456 ,  F02D41/187 ,  F02D41/405 ,  Y02P20/52 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/3718

Abstract: An exhaust purification device for an internal combustion engine can achieve high NOx purifying performance independent of operating conditions of the engine. The exhaust purification device has a NOx purification catalyst (33) mounted in an exhaust pipe (4) of the internal combustion engine, adsorbing or occluding NOx in exhaust gas when the exhaust gas air/fuel ratio is made lean, and reducing the adsorbed or occluded NOx when the exhaust gas air/fuel ratio is made rich; a fuel reformer (50) mounted separately from the exhaust pipe (4), reforming fuel to produce a reducing gas containing hydrogen and carbon monoxide, and supplying the reducing gas into that part of the exhaust pipe (4) which is located upstream of the NOx purification catalyst (33); and enriching means for enriching the exhaust gas air/fuel ratio. When one or more of operating conditions are satisfied, the enriching means enriches the air/fuel ratio of mixed gas to be combusted in the engine and causes the fuel reformer (50) to supply the reducing gas into the exhaust pipe (4) to enrich the exhaust gas air/fuel ratio.

Abstract translation: 用于内燃机的排气净化装置可以独立于发动机的操作条件实现高NOx净化性能。 排气净化装置具有安装在内燃机的排气管（4）中的NOx净化催化剂（33），当废气空燃比变稀时吸附或吸入废气中的NOx，并且减少吸附或 当排气空燃比变浓时，吸入NOx; 与排气管（4）分开安装的燃料重整器（50），重整燃料以产生含有氢和一氧化碳的还原气体，并且将还原气体供应到排放管（4）的位于 NOx净化催化剂（33）; 以及用于富集排气空气/燃料比的富集装置。 当满足一个或多个操作条件时，富集装置丰富了在发动机中要燃烧的混合气体的空燃比，并使燃料重整器（50）将还原气体供应到排气管（4）中以富集 废气空燃比。

公开(公告)号：US20100236224A1

公开(公告)日：2010-09-23

申请号：US12727473

申请日：2010-03-19

Applicant: Sanath V. Kumar ,  Stanley A. Roth

Inventor： Sanath V. Kumar ,  Stanley A. Roth

IPC: F01N3/035 ,  F01N3/02

CPC classification number: F01N3/0807 ,  B01D53/9422 ,  B01D53/9472 ,  B01D53/9477 ,  B01D53/9481 ,  B01D2251/2062 ,  B01D2251/2067 ,  B01D2251/208 ,  B01D2255/1021 ,  B01D2255/20723 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/20776 ,  B01D2255/50 ,  B01D2255/9032 ,  B01D2255/91 ,  B01D2255/9155 ,  B01D2258/012 ,  F01N3/033 ,  F01N3/035 ,  F01N3/0814 ,  F01N3/0821 ,  F01N3/206 ,  F01N3/2066 ,  F01N3/2073 ,  F01N3/22 ,  F01N3/30 ,  F01N13/009 ,  F01N2250/02 ,  F01N2250/12 ,  F01N2250/14 ,  F01N2270/04 ,  F01N2570/14 ,  F01N2570/18 ,  F01N2610/03 ,  F01N2610/04 ,  F01N2610/05 ,  Y02A50/2344 ,  Y02T10/24

Abstract: Systems and methods for abating NOx in an exhaust stream are provided. System using a lean NOx trap, an air injector and optional catalysts and filters are described. The emissions treatment system is advantageously used for the treatment of exhaust streams from diesel engines and lean burn gasoline engines.

Abstract translation: 提供了用于减轻废气流中的NOx的系统和方法。 描述了使用贫NOx捕集器，空气喷射器和任选的催化剂和过滤器的系统。 排放物处理系统有利地用于处理来自柴油发动机和贫燃汽油发动机的废气流。

公开(公告)号：US20040144083A1

公开(公告)日：2004-07-29

申请号：US10735599

申请日：2003-12-12

Inventor： Frank Ament

IPC: F01N003/00 ,  F01N003/10

CPC classification number: F01N3/0253 ,  B01D53/9454 ,  B01D53/9495 ,  F01N3/0814 ,  F01N3/0842 ,  F01N3/0871 ,  F01N3/101 ,  F01N3/103 ,  F01N3/2033 ,  F01N13/009 ,  F01N2240/30 ,  F01N2610/03 ,  F01N2610/04 ,  F01N2610/05 ,  F01N2610/08 ,  Y02A50/2324 ,  Y02T10/22 ,  Y02T10/24 ,  Y02T10/26

Abstract: An engine control system in a vehicle including a diesel engine in the vehicle, a diesel fuel tank for supplying fuel to the diesel engine, a gasoline tank in the vehicle, a reformer for providing partial oxidation products from gasoline contained in the gasoline tank, a NOx trap coupled to the exhaust of the diesel engine.

Abstract translation: 一种车辆中的发动机控制系统，包括车辆中的柴油发动机，用于向柴油发动机供应燃料的柴油燃料箱，车辆中的汽油箱，用于从汽油箱中包含的汽油提供部分氧化产物的重整器， NOx捕集器耦合到柴油发动机的排气。

公开(公告)号：US20040016229A1

公开(公告)日：2004-01-29

申请号：US10333659

申请日：2003-08-19

Inventor： Eberhard Schnaibel ,  Andreas Blumenstock ,  Klaus Winkler

IPC: F01N003/00 ,  F01N003/10

CPC classification number: F01N3/0871 ,  F01N3/0842 ,  F01N3/0864 ,  F01N3/101 ,  F01N3/2066 ,  F01N11/007 ,  F01N2560/025 ,  F01N2560/14 ,  F01N2610/02 ,  F01N2610/03 ,  F01N2610/05 ,  F02D41/027 ,  F02D41/0275 ,  F02D41/1441 ,  Y02A50/2324 ,  Y02A50/2325 ,  Y02T10/22 ,  Y02T10/24 ,  Y02T10/47

Abstract: The present invention relates to a method for operating a catalytic converter (12) situated in the exhaust gas of an internal combustion engine (1), the composition of exhaust gas being controlled in front of the catalytic converter (12) by adding a reducing agent that promotes the regeneration of the catalytic converter (12), and the composition of the exhaust gas being detected with the aid of an exhaust-gas sensor (14) positioned downstream from the catalytic converter (12), and a time lag between the start of controlling the composition of the exhaust gas in front of the catalytic converter (12) and the detection of a change in the composition after the catalytic converter (12) being evaluated. In order to be able to determine the end of a regeneration phase (23, 33) of the catalytic converter (12) in a safe and reliable manner, it is proposed that the gradient of an output signal (31) of the exhaust-gas sensor (14) be evaluated.

Abstract translation: 本发明涉及一种用于操作位于内燃机（1）的排气中的催化转化器（12）的方法，废气的组成在催化转化器（12）的前面通过加入还原剂 促进催化转化器（12）的再生，以及借助于位于催化转化器（12）下游的排气传感器（14）检测的废气的组成，以及起动之间的时间差 控制催化转化器（12）前面的废气的组成，并检测催化转化器（12）的组成变化。 为了能够以安全可靠的方式确定催化转化器（12）的再生阶段（23,33）的结束，提出了排气的输出信号（31）的梯度 传感器（14）进行评估。