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    SENSORELEMENT
    91.
    发明公开
    SENSORELEMENT 审中-公开
    传感器元件

    公开(公告)号：EP1463933A1

    公开(公告)日：2004-10-06

    申请号：EP02806306.3

    申请日：2002-10-22

    申请人： Robert Bosch GmbH

    发明人： SPRINGHORN, Carsten ,  KANTERS, Johannes ,  DIEHL, Lothar

    IPC分类号： G01N27/407

    CPC分类号： G01N27/4071

    摘要： The invention relates to a sensor element (10) having a laminate design, for detecting a physical property of a gas, particularly for detecting the concentration of a gas component in the exhaust gas of an internal combustion engine. The sensor element (10) has a measuring device (22), which serves to detect a physical property of the gas, and has a heating device (21). The heating device (21) contains a heater (30) that is electrically connected to a first heater supply conductor (31) and to a second heater supply conductor (32). The first heater supply conductor (31) is placed in a layer level situated between the second heater supply conductor (32) and the measuring device (22). An at least nearly constant electric potential is applied to the first heater supply conductor (31).

    ELEKTROCHEMISCHER MESSFÜHLER UND VERFAHREN ZU DESSEN HERSTELLUNG
    93.
    发明公开
    ELEKTROCHEMISCHER MESSFÜHLER UND VERFAHREN ZU DESSEN HERSTELLUNG 有权
    电化学传感器与方法研究

    公开(公告)号：EP1169635A1

    公开(公告)日：2002-01-09

    申请号：EP01913539.1

    申请日：2001-01-27

    申请人： ROBERT BOSCH GMBH

    发明人： NEUMANN, Harald ,  DIEHL, Lothar

    IPC分类号： G01N27/407

    CPC分类号： G01N27/4071

    摘要： The invention relates to an electrochemical sensor for determining the gas concentration of a measuring gas using a sensor element (10). The sensor element (10) comprises a first solid electrolyte layer (30), an electrode (34) consisting of an electrode surface (32) and an electrode feed line (34), in addition to a second solid electrolyte layer (40). A gas channel (31) is incorporated into the first solid electrolyte layer (30). The electrode (34) is arranged in a first clamped area (50) between the first and second solid electrolyte layer (30,40) and in a second open area between the solid electrolyte layer (40) and the gas chamber (31). The electrode (34) borders on a layered structure in a transition area (52) between the clamped area (50) and the open area (51). Said layered structure is embodied in such a way that the electrode (34) is subjected to a relatively low pressure during the laminating process.