公开(公告)号：US20050076637A1

公开(公告)日：2005-04-14

申请号：US10937393

申请日：2004-09-10

Applicant: Bodo Odendall ,  Armin Burkardt ,  Stefan Kamm ,  Volker Boestfleisch

Inventor： Bodo Odendall ,  Armin Burkardt ,  Stefan Kamm ,  Volker Boestfleisch

IPC: F01N3/023 ,  F01N3/08 ,  F01N3/20 ,  F01N13/02 ,  F02D41/02 ,  F01N3/00 ,  F01N3/10

CPC classification number: F01N3/0828 ,  F01N3/023 ,  F01N3/0885 ,  F01N3/2006 ,  F01N13/009 ,  F01N2430/06 ,  F01N2570/04 ,  F02D41/025 ,  F02D41/028 ,  F02D41/029 ,  F02D41/0295 ,  F02D2200/0814 ,  Y02A50/2322 ,  Y02T10/22 ,  Y02T10/26

Abstract: The invention relates to a process for heating a catalytic converter, a nitric oxide storage catalytic converter and/or particle filter in particular mounted in an exhaust system of a diesel internal combustion engine of a vehicle, to a desulfation and/or decarbonization temperature, a process in which the catalytic converter is heated to a desulfation and/or decarbonization temperature at the beginning of the desulfation and/or decarbonization phase as regeneration phase. A rich exhaust gas flow is delivered periodically to the catalytic converter for the purpose of direct heating of this catalytic converter to a regeneration temperature, in such a way that the unburnt exhaust gas components, hydrocarbons and carbon monoxides in particular, react to the oxygen stored in the catalytic converter and the thermal energy released in the process heats the catalytic converter to a regeneration temperature. A catalytic converter is also proposed in which the oxygen storage component is unevenly distributed over the catalytic converter in the direction of flow of the exhaust gas, in such a way that, as viewed in the direction of flow, the highest oxygen storage capacity is present at the exhaust gas inlet of the catalytic converter as viewed in the direction of flow.

Abstract translation: 本发明涉及一种加热催化转化器，一氧化氮储存催化转化器和/或颗粒过滤器的方法，特别是安装在车辆的柴油内燃机的排气系统中，达到脱硫和/或脱碳的温度， 在脱硫和/或脱碳阶段开始时将催化转化器加热至脱硫和/或脱碳温度作为再生阶段的方法。 为了将催化转化器直接加热到再生温度，使得未燃烧废气组分，烃类和一氧化碳特别是与储存的氧气反应的方式，周期性地将催化转化器输送到催化转化器 在催化转化器中，在该过程中释放的热能将催化转化器加热至再生温度。 还提出了一种催化转化器，其中储氧组分在排气方向上不均匀地分布在催化转化器上，使得从流动方向看，存在最高的储氧能力 在催化转化器的废气入口处沿流动方向观察。

公开(公告)号：US12129779B2

公开(公告)日：2024-10-29

申请号：US17757080

申请日：2020-12-10

Applicant: BASF CORPORATION

Inventor： Matthew T. Caudle

IPC: F01N3/08 ,  F01N3/022 ,  F01N3/20

CPC classification number: F01N3/0842 ,  F01N3/0222 ,  F01N3/0821 ,  F01N3/2066 ,  F01N3/0807 ,  F01N3/0814 ,  F01N3/0828 ,  F01N3/0871 ,  F01N2250/12 ,  F01N2250/14 ,  F01N2330/32 ,  F01N2330/34 ,  F01N2370/24 ,  F01N2510/0682 ,  F01N2550/03 ,  F01N2560/025 ,  F01N2560/026 ,  F01N2570/16 ,  F01N2900/1614 ,  F01N2900/1624

Abstract: The present disclosure is directed to an emission treatment system for NOx abatement in an exhaust stream of a lean burn engine. The emission treatment system includes a lean NOx trap (LNT) in fluid communication with and downstream from the lean burn engine and a low-temperature NOx adsorber (LT-NA) in fluid communication with and downstream of the LNT. Further provided is a method for abating NOx in an exhaust stream from a lean burn engine utilizing the disclosed system.

公开(公告)号：US20240318588A1

公开(公告)日：2024-09-26

申请号：US18580561

申请日：2022-07-20

Applicant: UMICORE AG & CO. KG

Inventor： Jan SCHOENHABER ,  Joerg-Michael RICHTER ,  Carolin BRAUN ,  Tim PALM

IPC: F01N13/00 ,  F01N3/08 ,  F01N3/10

CPC classification number: F01N13/0093 ,  F01N3/0828 ,  F01N3/101 ,  F01N2370/04 ,  F01N2570/18

Abstract: The invention is directed to the purification of exhaust gases of an internal combustion engine operated predominantly with a stoichiometric fuel mixture. The exhaust system has in particular 4 purification functions in a particular order. A three-way catalyst (TWC1) near the engine is followed by a gasoline particle filter (GPF) and another three-way catalyst (TWC2) downstream thereof. The system additionally includes an ammonia storage function.

公开(公告)号：US11883805B2

公开(公告)日：2024-01-30

申请号：US17742530

申请日：2022-05-12

Applicant: Johnson Matthey Public Limited Company

Inventor： Daniel Avis ,  Yannick Bidal ,  Alexander Nicholas Michael Green ,  Neil Greenham ,  Matthew Eben Harris

IPC: B01J29/76 ,  F01N3/20 ,  F01N3/08 ,  F01N3/28 ,  B01J29/035 ,  B01J29/72

CPC classification number: B01J29/76 ,  F01N3/2066 ,  B01J29/0358 ,  B01J29/7215 ,  B01J29/7615 ,  F01N3/0807 ,  F01N3/0828 ,  F01N3/0871 ,  F01N3/206 ,  F01N3/2803 ,  F01N2240/18 ,  F01N2250/12 ,  F01N2570/14 ,  F01N2570/145 ,  F01N2610/02 ,  F01N2900/1624

Abstract: A catalytic composition for treating a NOx-containing exhaust gas, wherein the composition comprises a copper-substituted small-pore zeolite comprising: i) Ce and/or La in a total amount of about 5 to about 400 g/ft3; and ii) Nd and/or Nb in a total amount of about 5 to about 400 g/ft3.

公开(公告)号：US11719178B2

公开(公告)日：2023-08-08

申请号：US17689464

申请日：2022-03-08

Applicant: JAGUAR LAND ROVER LIMITED

Inventor： Bhanuprakash Haranahalli Panchakshari

IPC: F02D41/02 ,  F02D41/14 ,  F01N3/08 ,  F01N3/20

CPC classification number: F02D41/0275 ,  F02D41/0245 ,  F02D41/146 ,  F01N3/0828 ,  F01N3/0842 ,  F01N3/0871 ,  F01N3/0885 ,  F01N3/206 ,  F01N2560/026 ,  F01N2900/1614 ,  F01N2900/1621 ,  F01N2900/1622

Abstract: A control system for a vehicle, the control system having one or more controllers, the control system being arranged to: determine a likelihood of a NOx adsorber trap of a vehicle requiring purging; determine an efficiency of purging the NOx adsorber trap; determine an operating efficiency of a selective catalyst reduction system of the vehicle; determine a schedule for purging of the NOx adsorber trap of the vehicle in dependence on the likelihood of the NOx adsorber trap requiring purging, the efficiency of purging the NOx adsorber trap, and the operating efficiency of the selective catalyst reduction system; and control purging of the NOx adsorber trap according to the schedule.

公开(公告)号：US09797284B2

公开(公告)日：2017-10-24

申请号：US14538962

申请日：2014-11-12

Applicant: MAN Truck & Bus AG

Inventor： Dieter Rothe ,  Florian Lutz

IPC: F01N3/021 ,  F01N3/10 ,  F01N3/00 ,  F01N3/20 ,  F01N3/08 ,  B01D53/04 ,  B01D53/94 ,  F01N3/26 ,  F01N13/08

CPC classification number: F01N3/005 ,  B01D53/0438 ,  B01D53/0446 ,  B01D53/9481 ,  B01D2253/104 ,  B01D2253/106 ,  B01D2253/108 ,  B01D2253/1126 ,  B01D2258/01 ,  F01N3/0807 ,  F01N3/0828 ,  F01N3/0878 ,  F01N3/2006 ,  F01N3/26 ,  F01N13/08 ,  F01N2410/00 ,  F01N2410/06 ,  F01N2510/063 ,  F01N2510/0682 ,  F01N2570/22 ,  Y02T10/20

Abstract: An exhaust-gas aftertreatment device for an internal combustion engine, for use in a motor vehicle, includes an exhaust tract with at least one exhaust pipe and at least one exhaust-gas aftertreatment element. The exhaust-pipe internal wall and/or the at least one exhaust-gas aftertreatment element have/has a vapor-sorbing material forming at least one exhaust-tract-side sorption element.

公开(公告)号：US09761781B2

公开(公告)日：2017-09-12

申请号：US14556114

申请日：2014-11-29

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  Hyundai America Technical Center, Inc

Inventor： Lang Sui ,  Nayan Engineer ,  Paul Neuman

IPC: H01L35/00 ,  H02J7/04 ,  F01N3/02 ,  H01L35/32 ,  H01L35/22 ,  H01L35/30 ,  H01L35/34 ,  H01L35/06 ,  F01N3/08 ,  H02J7/00

CPC classification number: H01L35/32 ,  F01N3/0828 ,  H01L35/06 ,  H01L35/22 ,  H01L35/30 ,  H01L35/34 ,  H02J7/0052 ,  H02J7/007

Abstract: In one embodiment, a system is disclosed that includes a thermoelectric generator (TEG) layer that comprises a thermoelectric nanostructure. The system also includes a thermal conductance layer coupling the TEG layer to a catalytic converter and provides heat from an exhaust gas passing through the catalytic converter to the TEG layer. The system additionally includes a cooling layer coupled to the TEG layer opposite the thermal conductance layer that provides cooling to the TEG layer.

公开(公告)号：US20170151532A1

公开(公告)日：2017-06-01

申请号：US15364565

申请日：2016-11-30

Applicant: Johnson Matthey Public Limited Company

Inventor： Kieran John COLE ,  Lee Alexander GILBERT ,  Robert HANLEY ,  Colin Russell NEWMAN ,  Calum ROBERTSON ,  Gudmund SMEDLER ,  Isabel Zoe TINGAY

IPC: B01D53/94 ,  B01J35/00 ,  B01J35/04 ,  B01J23/44 ,  B01J29/76

CPC classification number: B01D53/944 ,  B01D53/9468 ,  B01D53/9472 ,  B01D53/9481 ,  B01D2253/108 ,  B01D2253/116 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/50 ,  B01D2255/902 ,  B01D2255/9022 ,  B01D2255/9025 ,  B01D2255/903 ,  B01D2255/9035 ,  B01D2255/9155 ,  B01D2257/30 ,  B01D2257/55 ,  B01D2258/012 ,  B01J23/44 ,  B01J29/763 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0244 ,  B01J37/0246 ,  F01N3/0807 ,  F01N3/0828 ,  F01N3/103 ,  F01N3/2828 ,  F01N2510/0682 ,  F01N2510/0684 ,  F01N2570/04 ,  F01N2570/08 ,  Y02T10/20

Abstract: An oxidation catalyst is described for treating an exhaust gas produced by a diesel engine, wherein the oxidation catalyst comprises: a substrate; a capture material for capturing at least one phosphorus containing impurity and/or at least one sulfur containing impurity in the exhaust gas produced by the diesel engine; and a catalytic region disposed on the substrate; wherein the catalytic region comprises a catalytic material comprising a platinum group metal (PGM) selected from the group consisting of platinum (Pt), palladium (Pd) and a combination of platinum (Pt) and palladium (Pd).

公开(公告)号：US09404405B2

公开(公告)日：2016-08-02

申请号：US14718374

申请日：2015-05-21

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA ,  KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

Inventor： Yoshitaka Nakamura ,  Satoshi Endo

IPC: F01N3/00 ,  F01N3/08 ,  F01N3/20 ,  F01N9/00 ,  F01N11/00 ,  F01N13/00

CPC classification number: F01N3/0842 ,  F01N3/0828 ,  F01N3/2066 ,  F01N3/208 ,  F01N9/00 ,  F01N11/00 ,  F01N13/009 ,  F01N2550/00 ,  F01N2550/02 ,  F01N2550/05 ,  F01N2560/026 ,  F01N2560/06 ,  F01N2560/07 ,  F01N2570/18 ,  F01N2610/02 ,  F01N2610/146 ,  F01N2900/0601 ,  F01N2900/08 ,  F01N2900/1402 ,  F01N2900/1602 ,  F01N2900/1616 ,  F01N2900/1621 ,  F01N2900/1622 ,  Y02T10/24 ,  Y02T10/47

Abstract: The present invention provides an abnormality diagnosis apparatus for an exhaust gas purification apparatus having an SCR catalyst, with which a misdiagnosis of an abnormality in the SCR catalyst even though the SCR catalyst is normal can be suppressed. In the present invention, a NOx purification ratio is determined using an estimated NOx inflow amount as a parameter, and an abnormality in the SCR catalyst is diagnosed on the basis of the NOx purification ratio. According to the present invention, a minimum NH3 adsorption amount is determined as an NH3 adsorption amount of the SCR catalyst in a condition where an actual NOx inflow amount reaches a maximum. When the minimum NH3 adsorption amount equals or exceeds a predetermined amount, a determination is made as to whether or not a NOx purification ability of the SCR catalyst has deteriorated from a normal condition by comparing the NOx purification ratio with a first threshold. When the minimum NH3 adsorption amount is smaller than the predetermined amount, a determination is made as to whether or not the NOx purification ability of the SCR catalyst has been completely lost by comparing the NOx purification ratio with a second threshold that is smaller than the first threshold.

Abstract translation: 本发明提供一种具有SCR催化剂的排气净化装置的异常诊断装置，即使SCR催化剂正常也能够对SCR催化剂的异常进行误诊。 在本发明中，使用估计的NOx流入量作为参数来确定NOx净化率，并且基于NOx净化率来诊断SCR催化剂的异常。 根据本发明，在实际NOx流入量达到最大的条件下，将最小NH 3吸附量确定为SCR催化剂的NH 3吸附量。 当最小NH 3吸附量等于或超过预定量时，通过将NOx净化率与第一阈值进行比较，确定SCR催化剂的NOx净化能力是否从正常状态劣化。 当最小NH 3吸附量小于预定量时，通过将NOx净化率与小于第一氮气的第二阈值进行比较，确定SCR催化剂的NOx净化能力是否已经完全消失 阈。

公开(公告)号：US20160155922A1

公开(公告)日：2016-06-02

申请号：US14556114

申请日：2014-11-29

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  Hyundai America Technical Center, Inc.

Inventor： Sui Lang ,  Nayan Engineer ,  Paul Neuman

IPC: H01L35/32 ,  H01L35/30 ,  H02J7/00 ,  H01L35/06 ,  F01N3/08 ,  H01L35/22 ,  H01L35/34

CPC classification number: H01L35/32 ,  F01N3/0828 ,  H01L35/06 ,  H01L35/22 ,  H01L35/30 ,  H01L35/34 ,  H02J7/0052 ,  H02J7/007

Abstract: In one embodiment, a system is disclosed that includes a thermoelectric generator (TEG) layer that comprises a thermoelectric nanostructure. The system also includes a thermal conductance layer coupling the TEG layer to a catalytic converter and provides heat from an exhaust gas passing through the catalytic converter to the TEG layer. The system additionally includes a cooling layer coupled to the TEG layer opposite the thermal conductance later that provides cooling to the TEG layer.

Abstract translation: 在一个实施例中，公开了一种包括包含热电纳米结构的热电发生器（TEG）层的系统。 该系统还包括将TEG层耦合到催化转化器并将来自通过催化转化器的废气的热量提供给TEG层的热导层。 该系统还包括一个冷却层，该冷却层与TEG层相对，后者与TEG层相反，为TEG层提供冷却。