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    Plasma fuel processing for NOx control lean burn engines
    91.
    发明授权
    Plasma fuel processing for NOx control lean burn engines 失效
    用于NOx控制稀燃燃烧发动机的等离子体燃料处理

    公开(公告)号：US06363716B1

    公开(公告)日：2002-04-02

    申请号：US09707594

    申请日：2000-11-07

    Applicant: Edward N. Balko ,  Kenneth E. Voss

    Inventor： Edward N. Balko ,  Kenneth E. Voss

    IPC: F01N300

    CPC classification number: F01N3/2066 ,  B01D53/9431 ,  B01D53/9495 ,  B01D2255/1021 ,  B01D2255/504 ,  B01D2259/818 ,  F01N3/0807 ,  F01N3/0814 ,  F01N3/0842 ,  F01N13/009 ,  F01N13/0093 ,  F01N2240/28 ,  F01N2240/30 ,  F01N2570/14 ,  F01N2610/03 ,  F01N2610/06 ,  F01N2610/08 ,  F02M26/36 ,  Y02A50/2325 ,  Y02C20/10 ,  Y02T10/24

    Abstract: A highly reactive reducing gas mixture is produced from vehicle fuel and introduced into the exhaust gas of an internal combustion engine operated at lean burn conditions and passed over a reducing catalyst to convert NOX emissions to benign emissions. Preferably, fuel with oxygen present in a carrier gas is metered into a plasma reactor having a bed of dielectric particles which prevent formation of coke as the fuel is reacted. The plasma induces a number of simultaneous reactions with the fuel to produce a substantial amount of oxygenated and non-oxygenated, unbranched organic molecules at relatively low temperatures that are highly reactive and ideally suited for use as a reducing agent in an SCR catalyst.

    Abstract translation: 高反应性还原气体混合物由车辆燃料产生并引入到在贫燃条件下运行的内燃机的排气中，并通过还原催化剂将NO x排放转化为良性排放物。 优选地，将存在于载气中的氧的燃料计量加入具有介电颗粒床的等离子体反应器中，该电介质颗粒床在燃料反应时防止焦炭形成。 等离子体引起与燃料的许多同时反应，以在相当低的温度下产生大量的氧化和非氧化的无支化的有机分子，这些有机分子是高反应性的并且理想地适合用作SCR催化剂中的还原剂。

    Process for checking the operatability of a nitrogen oxide storage catalyst
    92.
    发明申请
    Process for checking the operatability of a nitrogen oxide storage catalyst 有权
    用于检查氮氧化物存储催化剂的可操作性的方法

    公开(公告)号：US20020012623A1

    公开(公告)日：2002-01-31

    申请号：US09832332

    申请日：2001-04-11

    Inventor： Ulrich Gobel ,  Lutz Marc Ruwisch ,  Egbert Lox ,  Thomas Kreuzer

    IPC: B01D053/02 ,  B01D053/56

    CPC classification number: F01N3/0864 ,  F01N3/0807 ,  F01N3/0842 ,  F01N11/00 ,  F01N2550/03 ,  F02D2041/147 ,  Y02T10/47

    Abstract: A process is disclosed for checking the operatability of a nitrogen oxide storage catalyst which is used to remove the nitrogen oxides contained in the exhaust gas stream from a lean burn engine and which contains at least a nitrogen oxide storage material, a catalytically active component and optionally an oxygen storage material. The lean burn engine is operated with cyclic alternation of the air/fuel mixture from lean to rich and the nitrogen oxides contained in the exhaust gas are stored by the nitrogen oxide storage material in the presence of lean burn exhaust gas (storage phase) and is desorbed and converted in the presence of rich exhaust gas (regeneration phase). The process is characterised in that, in order to determine possible damage to the catalytically active component, the nitrogen oxide storage capacity of the nitrogen oxide storage catalyst is determined at exhaust gas temperatures which are within the range in which the oxidation of nitrogen monoxide to nitrogen dioxide is kinetically controlled, while no change in the nitrogen oxide storage capacity is detected in the thermodynamically controlled range and, to determine possible damage to the storage materials, the nitrogen oxide capacity of the nitrogen oxide storage catalyst is determined at exhaust gas temperatures which are within the range in which the oxidation of nitrogen monoxide to nitrogen dioxide is thermodynamically controlled.

    Abstract translation: 公开了一种用于检查氮氧化物存储催化剂的可操作性的方法，其用于从贫燃发动机中除去包含在废气流中的氮氧化物，并且至少包含氮氧化物储存材料，催化活性组分和任选地 储氧材料。 稀燃发动机以空气/燃料混合物从贫到多循环交替运行，废气中所含的氮氧化物在稀燃废气（储存阶段）的存在下被氮氧化物储存材料储存，并且是 在富排气（再生阶段）的情况下解吸和转化。 该方法的特征在于，为了确定对催化活性成分的可能的损害，氮氧化物储存催化剂的氮氧化物储存容量在废气温度下测定，其排气温度在一氧化氮向氮氧化的范围内 二氧化物被动力学控制，而在热力学控制范围内没有检测到氮氧化物储存容量的变化，并且为了确定对储存材料的可能的损害，在废气温度下测定氮氧化物储存催化剂的氮氧化物容量， 在一氧化氮氧化成二氧化氮的范围内是热力学控制的。

    Process for reducing the nitrogen oxides content of exhaust gas from an internal combustion engine
    94.
    发明授权
    Process for reducing the nitrogen oxides content of exhaust gas from an internal combustion engine 失效
    降低来自内燃机的废气的氮氧化物含量的方法

    公开(公告)号：US06238525B1

    公开(公告)日：2001-05-29

    申请号：US09299630

    申请日：1999-04-27

    Applicant: Egbert Lox ,  Jürgen Gieshoff ,  Wolfgang Strehlau ,  Thomas Kreuzer

    Inventor： Egbert Lox ,  Jürgen Gieshoff ,  Wolfgang Strehlau ,  Thomas Kreuzer

    IPC: C01B2100

    CPC classification number: F01N3/0842 ,  B01D53/32 ,  B01D53/92 ,  B01D53/9431 ,  F01N3/0807 ,  F01N3/0892 ,  F01N2240/28 ,  F02B1/04

    Abstract: A process for reducing the nitrogen oxides content of the exhaust gas from an internal combustion engine includes treating the exhaust gas in an electric gas discharge such that at least one of nitrogen dioxide or nitric acid are formed from nitrogen oxides in the exhaust gas; storing the nitrogen dioxides and/or the nitric acid in the form of nitrates on a nitrogen oxides storage material during phases when the engine operates with a greater than a stoichiometric air/fuel ratio (i.e., the storage phase); decomposing the nitrates to give nitrogen oxides during brief phases when the engine operates with a less than the stoichiometric air/fuel ratio (i.e., the desorption phase); and reducing the nitrogen oxides which are released from the storage material to nitrogen. The nitrogen oxides storage material may be located in an electric gas discharge zone, and the exhaust gas may be passed through the discharge and then over the storage material.

    Abstract translation: 用于降低来自内燃机的废气的氮氧化物含量的方法包括以排气中的氮氧化物形成至少一种二氧化氮或硝酸的电气放电来处理排气， 当发动机以大于化学计量的空气/燃料比（即储存阶段）运转时，在氮氧化物储存材料中将氮氧化物和/或硝酸以硝酸盐的形式储存在相中。 当发动机以小于化学计量的空气/燃料比（即，解吸阶段）运行时，在短时间内分解硝酸盐以产生氮氧化物; 并将从储存材料释放的氮氧化物还原成氮气。 氮氧化物存储材料可以位于电气放电区域中，并且排气可以通过排出物，然后通过存储材料。

    Exhaust gas purifying apparatus for an internal combustion engine
    95.
    发明授权
    Exhaust gas purifying apparatus for an internal combustion engine 失效
    内燃机用废气净化装置

    公开(公告)号：US6151890A

    公开(公告)日：2000-11-28

    申请号：US64060

    申请日：1998-04-22

    Applicant: Koich Hoshi

    Inventor： Koich Hoshi

    IPC: F02D43/00 ,  F01N3/08 ,  F01N3/20 ,  F01N3/22 ,  F01N3/24 ,  F01N3/28 ,  F01N3/30 ,  F01N13/02 ,  F01N13/04 ,  F01N3/00

    CPC classification number: F01N3/0835 ,  F01N13/009 ,  F01N13/011 ,  F01N3/0807 ,  F01N3/2006 ,  F01N3/222 ,  F01N3/30 ,  F01N13/107 ,  Y02T10/22 ,  Y02T10/26

    Abstract: An unburnt gas component such as unburned hydrocarbon (HC) discharged from an internal combustion engine irrespective of an amount of exhaust gas is purified without fail. The unburnt gas component is prevented from being discharged into the atmosphere. In order to attain this, an exhaust gas purifying apparatus for an internal combustion engine according to the present invention is provided with a plurality of exhaust passages connected to the internal combustion engine; a joint exhaust passage formed by merging the exhaust passages; an exhaust gas purifying unit for purifying the exhaust gas that flows through the joint exhaust passage; an adsorption/desorption unit provided in each of the exhaust passages for adsorbing an unburnt gas component contained in the exhaust gas that flows through each of the exhaust passages at a temperature lower than a predetermined temperature and for desorbing the adsorbed unburnt gas component at a temperature equal to or higher than the predetermined temperature; and a desorption/adjustment unit for differentiating timings for desorbing the unburnt gas component by the adsorption/desorption unit.

    Abstract translation: 无论废气量如何，从内燃机排出的未燃烧的气体成分，如未燃碳氢化合物（HC）都被纯化。 防止未燃气体成分排入大气中。 为了达到这个目的，本发明的内燃机的排气净化装置具有与内燃机连接的多个排气通路， 通过使排气通路合流而形成的联合排气通路; 废气净化单元，其用于净化流过所述接合排气通道的废气; 在每个所述排气通道中设置的吸附/解吸单元，用于吸附在低于预定温度的温度下流过每个所述排气通道的废气中所含的未燃烧气体组分，并在所述排气通道的温度下解吸吸附的未燃气体成分 等于或高于预定温度; 以及用于分离由吸附/解吸单元解吸未燃气体成分的定时的解吸/调节单元。

    Exhaust poison trap
    99.
    发明授权
    Exhaust poison trap 失效
    排毒中毒陷阱

    公开(公告)号：US5857326A

    公开(公告)日：1999-01-12

    申请号：US977674

    申请日：1997-11-24

    Applicant: Scott Christopher Blanchet

    Inventor： Scott Christopher Blanchet

    IPC: B01D45/16 ,  B01D53/94 ,  F01N3/037 ,  F01N3/08 ,  F01N3/28 ,  F01N3/02 ,  B01D45/12 ,  F01N3/20

    CPC classification number: B01D53/9454 ,  B01D45/16 ,  B01D53/9481 ,  F01N3/037 ,  F01N3/0807 ,  F01N3/0814 ,  F01N3/28 ,  F01N3/2882 ,  F01N2240/20 ,  F01N2570/06 ,  F01N2570/08 ,  Y02T10/22 ,  Y10S55/30

    Abstract: An exhaust poison trap for protection of catalytic converters in automotive exhaust systems includes a tubular housing having open ends and a peripheral wall internally defining an exhaust chamber, a helical wall longitudinally dividing the exhaust chamber into at least two longitudinally extending helical passages for exhaust gas flow and porous means substantially covering the interior of the peripheral wall and forming an outer periphery of each of said helical passages, whereby exhaust gas passing through the exhaust chamber is directed in a helical path through the helical passages, causing particulate matter in the gas to be accelerated outwardly by centrifugal force and trapped in the porous means, thus protecting a downstream catalytic converter from trapped catalyst poisoning particles such as zinc and phosphorous. The porous means may be coated to improve trapping or to aid catalytic reactions in the exhaust gases.

    Abstract translation: 用于保护汽车排气系统中的催化转化器的排气毒物阱包括具有开口端的管状壳体和内部限定排气室的周壁，螺旋壁将排气室纵向分成用于排气流的至少两个纵向延伸的螺旋通道 并且多孔装置基本上覆盖周壁的内部并且形成每个所述螺旋通道的外周，由此通过排气室的废气被引导通过螺旋通道的螺旋路径，导致气体中的颗粒物质为 通过离心力向外加速并被捕获在多孔装置中，从而保护下游催化转化器不被捕获的催化剂中毒颗粒例如锌和磷。 多孔装置可以被涂覆以改善捕集或辅助废气中的催化反应。

    Adsorber for purifying combustion gases
    100.
    发明授权
    Adsorber for purifying combustion gases 失效
    用于净化燃烧气体的吸附器

    公开(公告)号：US5824139A

    公开(公告)日：1998-10-20

    申请号：US849547

    申请日：1997-05-14

    Applicant: Hermann Bruggendick

    Inventor： Hermann Bruggendick

    IPC: B01D53/08 ,  F01N3/02 ,  F01N3/08 ,  B01D53/02

    CPC classification number: B01D53/08 ,  F01N3/02 ,  F01N3/0807 ,  B01D2251/102 ,  B01D2258/0283 ,  B01D2259/40009 ,  F01N2450/04 ,  Y02T10/20

    Abstract: An adsorber for purifying flue gases of a furnace includes a housing having a flue gas inlet and a flue gas outlet. The housing has an adsorption medium chamber. A fill socket extends from the top of the housing. A removal device extends from the bottom of the housing. The chamber includes substantially vertical, gas-permeable walls for delimiting the chamber at the inlet side and at the outlet side. The chamber also includes a vertical gas-permeable partition and a slanted non-gas-permeable wall. The wall at the inlet side is a louver wall extending upwardly to the level of the fill socket. The wall at the outlet side is a slotted screen connected with the slanted, non-gas-permeable wall to the fill socket. The flue gas outlet is located opposite the non-gas-permeable wall.

    Abstract translation: PCT No.PCT / EP95 / 03996 Sec。 371日期1997年5月14日 102（e）日期1997年5月14日PCT提交1995年10月11日PCT公布。 公开号WO96 / 14918 PCT 日期1996年5月23日用于净化炉内烟道气的吸附器包括具有烟气入口和烟气出口的壳体。 壳体具有吸附介质室。 填充插座从外壳的顶部延伸。 移除装置从壳体的底部延伸。 该室包括基本垂直的透气壁，用于在入口侧和出口侧限定室。 该腔室还包括垂直的透气隔板和倾斜的非透气壁。 入口侧的壁是向上延伸到填充插座的水平面的百叶窗。 出口侧的壁是与倾斜的非气体可渗透壁连接到填充插座的开槽屏幕。 烟气出口位于不透气壁的对面。

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