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    Method of diagnosing an NOx storage catalytic converter during operation of an internal combustion engine
    3.
    发明授权
    Method of diagnosing an NOx storage catalytic converter during operation of an internal combustion engine 有权
    一种在内燃机操作期间诊断NOx储存催化转化器的方法

    公开(公告)号：US06216451B1

    公开(公告)日：2001-04-17

    申请号：US09234118

    申请日：1999-01-19

    申请人： Eberhard Schnaibel ,  Klaus Winkler ,  Bernd Schumann

    发明人： Eberhard Schnaibel ,  Klaus Winkler ,  Bernd Schumann

    IPC分类号： F01N300

    CPC分类号： F01N3/2066 ,  F01N3/0842 ,  F01N2430/06 ,  F01N2550/03 ,  F01N2610/02 ,  F02D41/0275 ,  Y02T10/24

    摘要： The invention is directed to diagnosing a catalytic converter capable of storing nitrogen oxides and mounted in the exhaust-gas system of an internal combustion engine. A signal-emitting exhaust-gas probe is provided rearward of the catalytic converter and the exhaust gas forward of the catalytic converter is influenced by increasing components in the exhaust gas which are effective as a reducer thereby triggering a change of the signal. The time elapsed between the start of the influencing and the change of the signal is evaluated to diagnose the catalytic converter.

    摘要翻译： 本发明涉及诊断能够存储氮氧化物并安装在内燃机的排气系统中的催化转化器。 在催化转化器的后方设置有信号发射排气探头，并且催化转化器前方的废气受到增加作为减速器有效的排气中的组分的影响，从而触发信号的变化。 评估开始影响和信号变化之间经过的时间来诊断催化转化器。

    Method of diagnosing an NOX storage catalytic converter during operation of an internal combustion engine
    4.
    发明授权
    Method of diagnosing an NOX storage catalytic converter during operation of an internal combustion engine 有权
    在内燃机操作期间诊断NO x储存催化转化器的方法

    公开(公告)号：US06216448B1

    公开(公告)日：2001-04-17

    申请号：US09234219

    申请日：1999-01-19

    申请人： Eberhard Schnaibel ,  Klaus Winkler ,  Bernd Schumann

    发明人： Eberhard Schnaibel ,  Klaus Winkler ,  Bernd Schumann

    IPC分类号： F01N300

    CPC分类号： F01N3/0871 ,  F01N3/0842 ,  F01N11/007 ,  F01N13/0097 ,  F01N2250/12 ,  F01N2550/03 ,  F01N2570/16 ,  F01N2610/02 ,  F01N2610/03 ,  Y02T10/47

    摘要： The invention is directed to a method and an arrangement for diagnosing a catalytic converter arranged in the exhaust-gas system of an internal combustion engine. The catalytic converter is configured to have an oxygen storage capability and a nitrogen oxide storage capability. A first exhaust-gas probe is mounted rearward of the catalytic converter and a second exhaust-gas probe is mounted forward thereof. The oxygen concentration of the exhaust gas forward of the catalytic converter is alternately increased and decreased so that the signals of both exhaust-gas probes change. A first phase shift between the signals of both exhaust-gas probes is detected when the oxygen concentration increases and a second phase shift between the signals is detected when the oxygen concentration decreases. The difference of the phase shifts is determined and a fault signal is outputted and/or stored when this difference does not reach a pregiven threshold.

    摘要翻译： 本发明涉及一种用于诊断布置在内燃机的排气系统中的催化转化器的方法和装置。 催化转化器被配置为具有储氧能力和氮氧化物储存能力。 第一排气探针安装在催化转化器的后方，第二排气探头安装在其前面。 催化转化器前方的排气的氧浓度交替地增加和减少，使得两个废气探测器的信号变化。 当氧浓度增加时检测两个排气探测器的信号之间的第一相移，并且当氧浓度降低时检测信号之间的第二相移。 确定相移的差异，并且当该差不达到预定阈值时，输出和/或存储故障信号。

    Sensor element for determining different gas components in a test gas
    5.
    发明授权
    Sensor element for determining different gas components in a test gas 有权
    用于确定测试气体中不同气体组分的传感元件

    公开(公告)号：US08033160B2

    公开(公告)日：2011-10-11

    申请号：US12086326

    申请日：2006-11-16

    申请人： Mario Roessler ,  Bernd Schumann ,  Berndt Cramer

    发明人： Mario Roessler ,  Bernd Schumann ,  Berndt Cramer

    IPC分类号： G01N27/26

    CPC分类号： G01N27/4071

    摘要： A sensor element for determining different gas components in a test gas, in particular in an exhaust gas of an internal combustion engine, including a lambda sensor for determining an oxygen content in the test gas, at least one semiconductor gas sensor for determining at least one further gas component in the test gas, and a multiplexer which is connected to the semiconductor gas sensor.

    摘要翻译： 一种传感器元件，用于确定测试气体中的不同气体成分，特别是在内燃机的废气中，包括用于确定测试气体中的氧含量的λ传感器，至少一个半导体气体传感器，用于确定至少一个 测试气体中的进一步的气体成分，以及连接到半导体气体传感器的多路复用器。

    Method and sensor element for determining a gas in a gas mixture
    7.
    发明授权
    Method and sensor element for determining a gas in a gas mixture 失效
    用于确定气体混合物中的气体的方法和传感器元件

    公开(公告)号：US07763154B2

    公开(公告)日：2010-07-27

    申请号：US10932741

    申请日：2004-09-02

    申请人： Bernd Schumann ,  Thorsten Ochs

    发明人： Bernd Schumann ,  Thorsten Ochs

    IPC分类号： G01N27/407

    CPC分类号： G01N27/4071 ,  G01N33/0014

    摘要： A method and a sensor element are provided for determining the concentration of an oxidizable gas in a gas mixture, e.g., in exhaust gases of internal combustion engines. Within the sensor element of a gas sensor, nitrogen oxides, hydrogen, and/or carbon monoxide contained in the gas mixture are at least partially removed in an initial step. In a further step, the concentration of the gas to be detected in the gas mixture freed of nitrogen oxides, carbon monoxide and/or hydrogen is ascertained.

    摘要翻译： 提供了一种方法和传感器元件，用于确定气体混合物中的可氧化气体的浓度，例如在内燃机的废气中。 在气体传感器的传感器元件内，气体混合物中包含的氮氧化物，氢气和/或一氧化碳在初始步骤中至少部分被去除。 在另外的步骤中，确定在不含氮氧化物，一氧化碳和/或氢气的气体混合物中待检测的气体的浓度。

    AMMONIA SENSOR
    8.
    发明申请
    AMMONIA SENSOR 审中-公开
    AMMONIA传感器

    公开(公告)号：US20090308747A1

    公开(公告)日：2009-12-17

    申请号：US12294383

    申请日：2007-01-26

    申请人： Berndt Cramer ,  Mario Roessler ,  Bernd Schumann

    发明人： Berndt Cramer ,  Mario Roessler ,  Bernd Schumann

    IPC分类号： G01N27/407 ,  G01N27/26

    CPC分类号： G01N27/4074 ,  G01N33/0054 ,  Y02A50/246

    摘要： A gas sensor, particularly an ammonia sensor, having a first sensor cell that is made up of a solid electrolyte, a first measuring electrode that is to be exposed to the measuring gas and a second measuring electrode. In order to reduce an NOx cross-sensitivity of the sensor, it is distinguished by the first measuring electrode being covered by a catalytic converter for the chemical conversion of nitrogen oxides.

    摘要翻译： 一种气体传感器，特别是氨传感器，其具有由固体电解质构成的第一传感器单元，要暴露于测量气体的第一测量电极和第二测量电极。 为了降低传感器的NOx交叉灵敏度，第一测量电极被用于氮氧化物的化学转化的催化转化器覆盖。

    Sensor Element For Determining The Physical Property Of A Test Gas
    9.
    发明申请
    Sensor Element For Determining The Physical Property Of A Test Gas 审中-公开
    用于确定测试气体物理性质的传感器元件

    公开(公告)号：US20080035480A1

    公开(公告)日：2008-02-14

    申请号：US10593020

    申请日：2005-03-02

    申请人： Berndt Cramer ,  Bernd Schumann ,  Rolf Speicher ,  Ralf Liedtke

    发明人： Berndt Cramer ,  Bernd Schumann ,  Rolf Speicher ,  Ralf Liedtke

    IPC分类号： G01N27/26

    CPC分类号： G01N27/4071

    摘要： A sensor element for determining a physical property of a test gas, e.g., the concentration of a gas component in a gas mixture, in particular the oxygen concentration in the exhaust gas from internal combustion engines, has a solid electrolyte body, an external electrode exposed to the test gas situated on the solid electrolyte body, an internal electrode situated in the solid electrolyte body, and an electrical resistance heater which has a meandering heating surface situated in the solid electrolyte body, and is embedded in insulation. The external electrode is situated in a cavity formed in the solid electrolyte body to reduce the heat losses from the sensor element due to convection and radiation to the cold test gas flow.

    摘要翻译： 用于确定测试气体的物理性能的传感器元件，例如气体混合物中的气体组分的浓度，特别是来自内燃机的废气中的氧气浓度，具有固体电解质体，外部电极暴露 位于固体电解质体上的测试气体，位于固体电解质体中的内部电极和电阻加热器，其具有位于固体电解质体中的曲折加热表面，并且被嵌入绝缘体中。 外部电极位于形成在固体电解质体中的空腔中，以减少由于对流和辐射而导致的传感器元件对冷试验气体流的热损失。