Inductive magnetic saturation displacement sensor
    1.
    发明授权
    Inductive magnetic saturation displacement sensor 失效
    感应磁饱和位移传感器

    公开(公告)号:US06605939B1

    公开(公告)日:2003-08-12

    申请号:US09658060

    申请日:2000-09-08

    IPC分类号: G01B714

    CPC分类号: G01D5/2033

    摘要: A sensor system includes a coil positioned on a thin substrate sandwiched to a layer of mumeta, a high magnetic permeability material. The mumetal acts as an amplifier for the inductance L measured at the terminals of the coil. When a magnet passes in front a sheet of mumetal, its magnetic field locally saturates the mumetal whose magnetic permeability collapses on the saturated surface. The result is a reduction of the inductance factor (L) in proportion with that area of the coil covered by the saturated mumetal. This reduction in inductance is measured at the coil terminals to provide an estimation of that area of the coil that has been covered. By determining a particular layout of the coil, mumetal, and magnet, a predetermined electrical signal of inductance or coupling variations corresponding to movement of the magnet is provided.

    摘要翻译: 传感器系统包括位于薄的衬底上的线圈,该薄衬底夹在一层高的磁导率材料上。 母线用作在线圈端子处测量的电感L的放大器。 当磁体在前面一片木马通过时,其磁场局部地饱和了磁导率在饱和表面上塌陷的母体。 结果是电感因数(L)与饱和母线覆盖的线圈面积成正比。 在线圈端子处测量电感的这种减小,以提供对被覆盖的线圈的面积的估计。 通过确定线圈,母线和磁体的特定布局,提供了与磁体的运动对应的电感或耦合变化的预定电信号。

    Glow plug comprising a pressure sensor and motor equipped therewith
    2.
    发明授权
    Glow plug comprising a pressure sensor and motor equipped therewith 失效
    辉光塞包括压力传感器和配备有电机的电动机

    公开(公告)号:US07759612B2

    公开(公告)日:2010-07-20

    申请号:US10577150

    申请日:2004-10-25

    IPC分类号: F23Q7/00 F02N1/00

    摘要: A glow plug (1), includes a pressure sensor (90), suitable for measuring the internal pressure of a motor cylinder in which the plug (1) is housed, a body (10) to be secured to the motor and a finger (20) in which a heater electrode is housed. The sensor (90) is firmly secured to the body (10) by the upper face thereof and rests on the finger (20), so that the pressure exerted on the finger (20) presses the sensor against the body (10).

    摘要翻译: 电热塞(1)包括压力传感器(90),适用于测量容纳插头(1)的电动机气缸的内部压力,固定到电机的主体(10)和手指 20),其中容纳加热器电极。 传感器(90)通过其上表面牢固地固定到主体(10)上并且搁置在手指(20)上,使得施加在手指(20)上的压力将传感器按压在主体(10)上。

    Glow plug comprising a pressure sensor and motor equipped therewith
    4.
    发明申请
    Glow plug comprising a pressure sensor and motor equipped therewith 失效
    辉光塞包括压力传感器和配备有电机的电动机

    公开(公告)号:US20070163329A1

    公开(公告)日:2007-07-19

    申请号:US10577150

    申请日:2004-10-25

    IPC分类号: G01L23/22 F23Q7/00

    摘要: A glow plug (1), includes a pressure sensor (90), suitable for measuring the internal pressure of a motor cylinder in which the plug (1) is housed, a body (10) to be secured to the motor and a finger (20) in which a heater electrode is housed. The sensor (90) is firmly secured to the body (10) by the upper face thereof and rests on the finger (20), so that the pressure exerted on the finger (20) presses the sensor against the body (10).

    摘要翻译: 电热塞(1)包括压力传感器(90),适用于测量容纳插头(1)的电动机气缸的内部压力,固定到电机的主体(10)和手指 20),其中容纳加热器电极。 传感器(90)通过其上表面牢固地固定到主体(10)上并且搁置在手指(20)上,使得施加在手指(20)上的压力将传感器按压在主体(10)上。

    Device for acting upon a pressure sensor mounted on a flow plug
    10.
    发明授权
    Device for acting upon a pressure sensor mounted on a flow plug 失效
    用于作用于安装在流量塞上的压力传感器的装置

    公开(公告)号:US07444973B2

    公开(公告)日:2008-11-04

    申请号:US11587654

    申请日:2005-04-19

    IPC分类号: F02N17/00 F02N17/02

    摘要: The invention relates to a device which is used as a force-transmitting device (38′) for a pressure sensor (14) associated with a glow plug in an internal combustion engine and is embodied in the form of a tubular piece whose cross-section is substantially annular. The inventive device comprises an area (40) on which the external diameter thereof increases towards one end thereof. The front surface of the device corresponding to said flared end is embodied in the form of a bearing face receiving the piezo-electric pressure sensor. A glow plug integrating said force-transmitting device is also disclosed.

    摘要翻译: 本发明涉及一种用作用于与内燃机中的电热塞相关联的压力传感器(14)的力传递装置(38')的装置,并且被实施为管状件的形式,其横截面 是大致环形的。 本发明的装置包括其外径向其一端增加的区域(40)。 对应于所述喇叭形端的装置的前表面以承受压电压力传感器的轴承面的形式实施。 还公开了集成所述力传递装置的电热塞。