Sensor element and method for determining ammonia
    2.
    发明授权
    Sensor element and method for determining ammonia 有权
    用于测定氨的传感器元件和方法

    公开(公告)号:US07785457B2

    公开(公告)日:2010-08-31

    申请号:US10933095

    申请日:2004-09-02

    IPC分类号: G01N27/27

    CPC分类号: G01N27/4074 G01N31/005

    摘要: A sensor element of a gas sensor, which is used for determining the concentration of ammonia and, optionally, at least one further component of a gas mixture, in particular in exhaust gases of combustion engines. The sensor element includes at least one first auxiliary electrode and at least one measuring electrode positioned downstream in the flow direction of the gas mixture, which are in direct contact with the gas mixture, a signal generated by the measuring electrode being used at least intermittently for determining the concentration of ammonia. A potential, at which ammonia contained in the gas mixture is oxidized, is applied at least intermittently to the first auxiliary electrode or the measuring electrode.

    摘要翻译: 气体传感器的传感器元件,用于确定氨的浓度,以及可选地,气体混合物的至少一个其它组分,特别是在内燃机的废气中。 传感器元件包括至少一个第一辅助电极和位于与气体混合物直接接触的气体混合物的流动方向下游的至少一个测量电极,由测量电极产生的信号至少间歇地用于 确定氨的浓度。 气体混合物中含有的氨被氧化的电位至少间歇地施加到第一辅助电极或测量电极。

    Sensor element and method for determining ammonia
    3.
    发明申请
    Sensor element and method for determining ammonia 有权
    用于测定氨的传感器元件和方法

    公开(公告)号:US20050098449A1

    公开(公告)日:2005-05-12

    申请号:US10933095

    申请日:2004-09-02

    CPC分类号: G01N27/4074 G01N31/005

    摘要: A sensor element of a gas sensor, which is used for determining the concentration of ammonia and, optionally, at least one further component of a gas mixture, in particular in exhaust gases of combustion engines. The sensor element includes at least one first auxiliary electrode and at least one measuring electrode positioned downstream in the flow direction of the gas mixture, which are in direct contact with the gas mixture, a signal generated by the measuring electrode being used at least intermittently for determining the concentration of ammonia. A potential, at which ammonia contained in the gas mixture is oxidized, is applied at least intermittently to the first auxiliary electrode or the measuring electrode.

    摘要翻译: 气体传感器的传感器元件,用于确定氨的浓度,以及可选地,气体混合物的至少一个其它组分,特别是在内燃机的废气中。 传感器元件包括至少一个第一辅助电极和位于与气体混合物直接接触的气体混合物的流动方向下游的至少一个测量电极,由测量电极产生的信号至少间歇地用于 确定氨的浓度。 气体混合物中含有的氨被氧化的电位至少间歇地施加到第一辅助电极或测量电极。

    Gas sensor and method for measuring a gas component in a gas mixture
    5.
    发明授权
    Gas sensor and method for measuring a gas component in a gas mixture 有权
    用于测量气体混合物中气体组分的气体传感器和方法

    公开(公告)号:US07309415B2

    公开(公告)日:2007-12-18

    申请号:US10467647

    申请日:2002-02-05

    IPC分类号: G01N27/04

    CPC分类号: G01N27/419

    摘要: A gas sensor based on solid electrolyte is proposed for measuring a gas component in a gas mixture, having at least one sensitive region, which has a first means for producing a reaction gas from an additional gas component of the gas mixture. A second means is situated in the sensitive region of the gas sensor, using which the residual content of the reaction gas may be determined, after a reaction that takes place between the reaction gas and the gas component to be measured.

    摘要翻译: 提出了一种基于固体电解质的气体传感器,用于测量气体混合物中的气体组分,其具有至少一个敏感区域,该敏感区域具有用于从气体混合物的附加气体组分产生反应气体的第一装置。 第二装置位于气体传感器的敏感区域中,在反应气体和要测量的气体组分发生反应之后,可以确定反应气体的残留含量。

    Device for operating a gas sensor
    6.
    发明申请
    Device for operating a gas sensor 有权
    用于操作气体传感器的装置

    公开(公告)号:US20070108053A1

    公开(公告)日:2007-05-17

    申请号:US10552618

    申请日:2004-04-06

    IPC分类号: G01N27/26

    CPC分类号: G01N27/419

    摘要: A device for operating a gas sensor having both at least one pump cell and a measuring cell is provided. A constant current source is provided that makes available a pump current which acts upon an outer electrode of the pump cell. The constant current source provides at least two different amounts of the pump current and/or allows for an alternating operation having ON phases and OFF phases, the duration of the ON phases/OFF phases being specifiable. The device may be largely implemented in digital circuitry and adapted to different requirements.

    摘要翻译: 提供一种用于操作具有至少一个泵浦单元和测量单元的气体传感器的装置。 提供恒流源,其提供作用在泵电池的外部电极上的泵浦电流。 恒定电流源提供至少两个不同量的泵浦电流和/或允许具有ON相位和OFF相位的交替运行,ON相位/ OFF相位的持续时间是可指定的。 该装置可能主要在数字电路中实现并适应于不同的要求。

    Device for operating a gas sensor
    7.
    发明授权
    Device for operating a gas sensor 有权
    用于操作气体传感器的装置

    公开(公告)号:US09182370B2

    公开(公告)日:2015-11-10

    申请号:US10552618

    申请日:2004-04-06

    IPC分类号: G01N27/406 G01N27/419

    CPC分类号: G01N27/419

    摘要: A device for operating a gas sensor having both at least one pump cell and a measuring cell is provided. A constant current source is provided that makes available a pump current which acts upon an outer electrode of the pump cell. The constant current source provides at least two different amounts of the pump current and/or allows for an alternating operation having ON phases and OFF phases, the duration of the ON phases/OFF phases being specifiable. The device may be largely implemented in digital circuitry and adapted to different requirements.

    摘要翻译: 提供一种用于操作具有至少一个泵浦单元和测量单元的气体传感器的装置。 提供恒流源,其提供作用在泵电池的外部电极上的泵浦电流。 恒定电流源提供至少两个不同量的泵浦电流和/或允许具有ON相位和OFF相位的交替运行,ON相位/ OFF相位的持续时间是可指定的。 该装置可能主要在数字电路中实现并适应于不同的要求。

    Method and sensor element for determining a gas in a gas mixture
    8.
    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

    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。

    Method and sensor element for determining a gas in a gas mixture
    9.
    发明申请
    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:US20050077178A1

    公开(公告)日:2005-04-14

    申请号:US10932741

    申请日:2004-09-02

    IPC分类号: G01N27/26 G01N33/00

    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。

    CIRCUIT ASSEMBLY FOR OPERATING A GAS SENSOR ARRAY
    10.
    发明申请
    CIRCUIT ASSEMBLY FOR OPERATING A GAS SENSOR ARRAY 审中-公开
    用于操作气体传感器阵列的电路组件

    公开(公告)号:US20090314060A1

    公开(公告)日:2009-12-24

    申请号:US11920617

    申请日:2006-05-02

    IPC分类号: G01N33/00 G01N27/12 H01L29/02

    CPC分类号: G01N27/129 G01N33/0031

    摘要: The invention relates to a circuit assembly for operating a sensor array, in particular, a gas sensor array for detecting gases, which comprises at least one signal line. According to said invention, a signal line is divided into two parallel line branches with a sensor and a diode, preferably a Schottky diode, arranged in each of said two parallel line branches, whereby the two diodes have opposite electrical polarity. The use of different polarity diodes permits actuation of both sensors through only one signal line. It can be determined if the current flows through one or the other of both sensors by merely polarizing the electrical potential applied to the signal line appropriately.

    摘要翻译: 本发明涉及用于操作传感器阵列的电路组件,特别是用于检测气体的气体传感器阵列,其包括至少一条信号线。 根据所述发明,信号线被分成具有传感器和二极管的两个平行线分支,优选肖特基二极管,布置在所述两个平行线分支中的每一个中,由此两个二极管具有相反的电极性。 使用不同的极性二极管允许通过仅一条信号线激活两个传感器。 可以通过适当地偏置施加到信号线的电位来确定电流是否流过两个传感器中的一个或另一个。