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    CERAMIC HEATER, SENSOR ELEMENT, AND GAS SENSOR
    1.
    发明申请
    CERAMIC HEATER, SENSOR ELEMENT, AND GAS SENSOR 审中-公开

    公开(公告)号：US20200080959A1

    公开(公告)日：2020-03-12

    申请号：US16686812

    申请日：2019-11-18

    Applicant: NGK INSULATORS, LTD.

    Inventor： Yusuke WATANABE ,  Takao MURASE ,  Masashi YASUI

    IPC: G01N27/406 ,  H05B3/26 ,  H05B3/00 ,  H05B1/02

    Abstract: A heater section includes a plate-like ceramic body (a first substrate layer 1, a second substrate layer 2, and a third substrate layer 3) having a longitudinal direction (front-rear direction) and a short-length direction (left-right direction), and a heater 72 disposed within the plate-like ceramic body and including a lead section 79 and a heating section 76 connected to the lead section 79. The heating section 76 includes a straight portion 78 extending along the longitudinal direction, and a lead side curved portion 77b connected to one of the ends of the straight portion 78 closer to the lead section 79. The lead side curved portion 77b has a lower resistance per unit length than the straight portion 78 at one or more temperatures in the range of 700° C. to 900° C.

    GAS SENSOR
    2.
    发明申请
    GAS SENSOR 审中-公开

    公开(公告)号：US20190285563A1

    公开(公告)日：2019-09-19

    申请号：US16434559

    申请日：2019-06-07

    Applicant: NGK INSULATORS, LTD.

    Inventor： Yusuke WATANABE ,  Takao MURASE ,  Masashi YASUI

    IPC: G01N27/02 ,  G01N33/00 ,  G01N27/407

    Abstract: A gas sensor 10 includes a tubular protective cover 30 having an element chamber 37 therein and configured to allow a measured gas to flow from the outside into the element chamber 37. The gas sensor 10 also includes a long sensor element 20, including a detecting portion 23 located in the element chamber 37 and configured to detect a specified gas concentration in the measured gas, and an insulator 45 having an inclined through-hole into which the sensor element 20 is inserted. An inclination angle θt of an axial direction of the sensor element 20 (i.e., a direction parallel to an element axis A1) in the element chamber 37 with respect to an axial direction of the protective cover 30 (i.e., a direction parallel to a cover axis A2) is 1° or greater.

    GAS SENSOR AND GAS SENSOR MANUFACTURING METHOD
    3.
    发明申请
    GAS SENSOR AND GAS SENSOR MANUFACTURING METHOD 有权
    气体传感器和气体传感器制造方法

    公开(公告)号：US20170059540A1

    公开(公告)日：2017-03-02

    申请号：US15241378

    申请日：2016-08-19

    Applicant: NGK INSULATORS, LTD.

    Inventor： Yusuke WATANABE ,  Takao MURASE ,  Masashi YASUI

    IPC: G01N33/00

    CPC classification number: G01N33/0027 ,  G01N27/4077 ,  G01N27/4118

    Abstract: Provided is a gas sensor in which a protective cover has no looseness even by repetitive use. The gas sensor includes a sensor element for detecting a predetermined measurement target gas component in a measurement gas; a protective cover which protects a side of one end portion of the sensor element; and a housing which houses the sensor element. The protective cover includes a brim portion at one end portion of an outer surface of the protective cover. The brim portion is brought into contact with a contact surface provided in said housing, and is held between a swaging portion and the contact surface, the swaging portion extending from the contact surface while bending, so that the protective cover is fixed to the housing. The brim portion is tilted at a tilt angle of 5° or more and 15° or less relative to a plane vertical to a central axis of the gas sensor.

    Abstract translation: 提供一种气体传感器，其中保护罩即使通过重复使用也不会松动。 气体传感器包括用于检测测量气体中的预定测量目标气体成分的传感器元件; 保护盖，其保护传感器元件的一个端部的一侧; 以及容纳传感器元件的壳体。 保护盖在保护罩的外表面的一个端部处包括边缘部分。 边缘部分与设置在所述壳体中的接触表面接触并且被保持在模锻部分和接触表面之间，所述型锻部分在弯曲的同时从接触表面延伸，使得保护盖固定到壳体。 边缘部相对于与气体传感器的中心轴垂直的平面以5°以上且15°以下的倾斜角度倾斜。

    CERAMIC HEATER, SENSOR ELEMENT, AND GAS SENSOR
    4.
    发明申请
    CERAMIC HEATER, SENSOR ELEMENT, AND GAS SENSOR 审中-公开
    陶瓷加热器，传感器元件和气体传感器

    公开(公告)号：US20170052144A1

    公开(公告)日：2017-02-23

    申请号：US15238855

    申请日：2016-08-17

    Applicant: NGK INSULATORS, LTD.

    Inventor： Yusuke WATANABE ,  Takao MURASE ,  Masashi YASUI

    IPC: G01N27/406 ,  G01N27/407 ,  H05B3/26 ,  H05B1/02 ,  H05B3/00

    Abstract: A heater section includes a plate-like ceramic body (a first substrate layer 1, a second substrate layer 2, and a third substrate layer 3) having a longitudinal direction (front-rear direction) and a short-length direction (left-right direction), and a heater 72 disposed within the plate-like ceramic body and including a lead section 79 and a heating section 76 connected to the lead section 79. The heating section 76 includes a straight portion 78 extending along the longitudinal direction, and a lead side curved portion 77b connected to one of the ends of the straight portion 78 closer to the lead section 79. The lead side curved portion 77b has a lower resistance per unit length than the straight portion 78 at one or more temperatures in the range of 700° C. to 900° C.

    Abstract translation: 加热器部分包括具有纵向（前后方向）和短长度方向（左右）的板状陶瓷体（第一基板层1，第二基板层2和第三基板层3） 方向）以及设置在板状陶瓷体内的加热器72，其包括引线部79和与引线部79连接的加热部76.加热部76具有沿着长度方向延伸的直线部78， 引线侧弯曲部分77b连接到更靠近引线部分79的直线部分78的一个端部。引线侧弯曲部分77b在一个或多个温度范围内具有比直线部分78单位长度更低的电阻， 700°C至900°C

    GAS SENSOR
    6.
    发明申请
    GAS SENSOR 审中-公开

    公开(公告)号：US20190293585A1

    公开(公告)日：2019-09-26

    申请号：US16434594

    申请日：2019-06-07

    Applicant: NGK INSULATORS, LTD.

    Inventor： Yusuke WATANABE ,  Takao MURASE ,  Masashi YASUI

    IPC: G01N27/02 ,  G01N33/00 ,  G01N27/407

    Abstract: A gas sensor 10 includes a tubular protective cover 30 having an element chamber 37 therein and configured to allow a measured gas to flow from the outside into the element chamber 37; and a long sensor element 20 including a detecting portion 23 located in the element chamber 37 and configured to detect a specified gas concentration in the measured gas. An inclination angle θt of an axial direction of the sensor element 20 (i.e., a direction parallel to an element axis A1) in the element chamber 37 with respect to an axial direction of the protective cover 30 (i.e., a direction parallel to a cover axis A2) is 1° or greater.

    GAS SENSOR
    7.
    发明申请
    GAS SENSOR 审中-公开

    公开(公告)号：US20170089852A1

    公开(公告)日：2017-03-30

    申请号：US15248160

    申请日：2016-08-26

    Applicant: NGK INSULATORS, LTD.

    Inventor： Yusuke WATANABE ,  Takao MURASE ,  Masashi YASUI

    IPC: G01N27/02 ,  G01N33/00

    Abstract: A gas sensor 10 includes a tubular protective cover 30 having an element chamber 37 therein and configured to allow a measured gas to flow from the outside into the element chamber 37; and a long sensor element 20 including a detecting portion 23 located in the element chamber 37 and configured to detect a specified gas concentration in the measured gas. An inclination angle θt of an axial direction of the sensor element 20 (i.e., a direction parallel to an element axis A1) in the element chamber 37 with respect to an axial direction of the protective cover 30 (i.e., a direction parallel to a cover axis A2) is 1° or greater.

    CERAMIC HEATER, SENSOR ELEMENT, AND GAS SENSOR
    8.
    发明申请
    CERAMIC HEATER, SENSOR ELEMENT, AND GAS SENSOR 审中-公开
    陶瓷加热器，传感器元件和气体传感器

    公开(公告)号：US20170052143A1

    公开(公告)日：2017-02-23

    申请号：US15238817

    申请日：2016-08-17

    Applicant: NGK INSULATORS, LTD.

    Inventor： Yusuke WATANABE ,  Takao MURASE ,  Masashi YASUI ,  Rui SAKAGUCHI

    IPC: G01N27/406 ,  G01N27/407 ,  H05B3/26 ,  H05B1/02 ,  H05B3/00

    Abstract: The heater 72 of the heater portion includes the linear portions 78 and the bend portions 77. A resistance value per unit length of the bend portions 77 at least at a temperature within a temperature range of no less than 700° C. and no more than 900° C. is lower than a resistance value per unit length of the linear portions 78.

    Abstract translation: 加热器部分的加热器72包括直线部分78和弯曲部分77.弯曲部分77的每单位长度的电阻值至少在不低于700℃的温度范围内的温度和不超过 900℃低于线性部分78的每单位长度的电阻值。

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