Belt monitoring systems and methods
    1.
    发明授权
    Belt monitoring systems and methods 有权
    皮带监测系统和方法

    公开(公告)号:US08312987B2

    公开(公告)日:2012-11-20

    申请号:US12009097

    申请日:2008-01-16

    CPC分类号: B65G43/02 G01M13/023

    摘要: A belt monitoring system employs a belt having at least one reinforcement member made from a conductive reinforcement material. A belt monitor is disposed in conjunction with the belt. The belt monitor comprises a field inductor excited by an applied signal. An electrical characteristic of at least a portion of the field inductor as influenced by changes in the electrical properties of the conductive reinforcement member is monitored in order to determine a physical condition of the conductive reinforcement member and thereby monitor a physical characteristic of the belt. This monitoring may be carried out by a sense inductor disposed adjacent or in conjunction with the field inductor.

    摘要翻译: 皮带监测系统采用具有由导电增强材料制成的至少一个增强部件的皮带。 皮带显示器与皮带一起配置。 带式监视器包括由施加的信号激励的场感应电感。 为了确定导电加强件的物理状态,并且由此监测皮带的物理特性,监测场感应器的至少一部分的电特性,这受到导电加强件的电性能变化的影响。 该监视可以由与场感应器相邻或结合设置的感测电感器来执行。

    Belt monitoring systems and methods
    2.
    发明申请
    Belt monitoring systems and methods 有权
    皮带监测系统和方法

    公开(公告)号:US20090178902A1

    公开(公告)日:2009-07-16

    申请号:US12009097

    申请日:2008-01-16

    IPC分类号: B65G43/02

    CPC分类号: B65G43/02 G01M13/023

    摘要: A belt monitoring system employs a belt having at least one reinforcement member made from a conductive reinforcement material. A belt monitor is disposed in conjunction with the belt. The belt monitor comprises a field inductor excited by an applied signal. An electrical characteristic of at least a portion of the field inductor as influenced by changes in the electrical properties of the conductive reinforcement member is monitored in order to determine a physical condition of the conductive reinforcement member and thereby monitor a physical characteristic of the belt. This monitoring may be carried out by a sense inductor disposed adjacent or in conjunction with the field inductor.

    摘要翻译: 皮带监测系统采用具有由导电增强材料制成的至少一个增强部件的皮带。 皮带显示器与皮带一起配置。 带式监视器包括由施加的信号激励的场感应电感。 为了确定导电加强件的物理状态,并且由此监测皮带的物理特性,监测场感应器的至少一部分的电特性,这受到导电加强件的电性能变化的影响。 该监视可以由与场感应器相邻或结合设置的感测电感器来执行。

    Liquid level and quality sensing apparatus, systems and methods using EMF wave propagation
    3.
    发明申请
    Liquid level and quality sensing apparatus, systems and methods using EMF wave propagation 审中-公开
    液位和质量检测装置,使用EMF波传播的系统和方法

    公开(公告)号:US20100327884A1

    公开(公告)日:2010-12-30

    申请号:US12803331

    申请日:2010-06-24

    IPC分类号: G01R27/26

    摘要: A liquid level, composition and contamination sensor generates an RF signal across a resonant circuit that includes a variable inductor and capacitor. The resulting electromagnetic radiation is propagated into the liquid and changes in impedance and resonance of the resonant circuit that result from changes in the conductivity and dielectric properties of the liquid, which are proportional to liquid content and volume, are detected. The conductivity and dielectric properties of the liquid are measured, based on the changed impedance and resonance of the resonant circuit, and are compared to determine aging and contamination of the urea solution by other liquids. Also, an optical sensor may be submerged in the liquid to determine the refractive index of the liquid. The refractive index of the liquid may be used to determine: if the liquid is water or a urea solution; the concentration of a urea solution.

    摘要翻译: 液位,组成和污染传感器在包括可变电感器和电容器的谐振电路上产生RF信号。 所产生的电磁辐射被传播到液体中,并且检测出由与液体含量和体积成比例的液体的导电性和介电性质的变化引起的谐振电路的阻抗和谐振变化。 基于改变的谐振电路的阻抗和共振来测量液体的导电性和介电性能,并且与其相比较以确定其他液体的尿素溶液的老化和污染。 此外,光学传感器可以浸没在液体中以确定液体的折射率。 液体的折射率可用于确定:液体是水还是尿素溶液; 尿素溶液的浓度。

    Liquid level and composition sensing systems and methods using EMF wave propagation
    5.
    发明授权
    Liquid level and composition sensing systems and methods using EMF wave propagation 有权
    液位和组成感应系统和使用EMF波传播的方法

    公开(公告)号:US08482298B2

    公开(公告)日:2013-07-09

    申请号:US11800965

    申请日:2007-05-08

    IPC分类号: G01R27/32 G01N11/00 G01N21/00

    摘要: An automotive urea solution monitoring device is deployed in conjunction with the urea tank of a selective catalytic reduction vehicle. An RF signal of a constant frequency may be generated across a resonant circuit, which may be comprised of an inductor and a PCB trace capacitor, or the like. Electromagnetic radiation is propagated into the automotive urea solution in the urea tank. The conductivity and dielectric properties of the liquid change the impedance of the discrete/trace capacitor and or the discrete/trace inductor. These changes are proportional to ammonia content, temperature, and/or level of the automotive urea solution in the urea tank and are preferably detected by a microcontroller, or the like, and then transmitted to a selective catalytic reduction vehicle engine management system, or the like.

    摘要翻译: 汽车尿素溶液监测装置与选择性催化还原车辆的尿素罐结合使用。 可以跨谐振电路产生恒定频率的RF信号,谐振电路可以由电感器和PCB迹线电容器等构成。 电磁辐射传播到尿素罐中的汽车尿素溶液中。 液体的导电性和介电性能改变离散/跟踪电容器和/或离散/迹线电感器的阻抗。 这些变化与尿素罐中的汽车尿素溶液的氨含量,温度和/或水平成比例,并且优选地由微控制器等检测,然后传输到选择性催化还原车辆发动机管理系统,或者 喜欢。

    Liquid level and composition sensing systems and methods using EMF wave propagation
    6.
    发明申请
    Liquid level and composition sensing systems and methods using EMF wave propagation 有权
    液位和组成感应系统和使用EMF波传播的方法

    公开(公告)号:US20080143345A1

    公开(公告)日:2008-06-19

    申请号:US11800965

    申请日:2007-05-08

    IPC分类号: G01N27/02

    摘要: An automotive urea solution monitoring device is deployed in conjunction with the urea tank of a selective catalytic reduction vehicle. An RF signal of a constant frequency may be generated across a resonant circuit, which may be comprised of an inductor and a PCB trace capacitor, or the like. Electromagnetic radiation is propagated into the automotive urea solution in the urea tank. The conductivity and dielectric properties of the liquid change the impedance of the discrete/trace capacitor and or the discrete/trace inductor. These changes are proportional to ammonia content, temperature, and/or level of the automotive urea solution in the urea tank and are preferably detected by a microcontroller, or the like, and then transmitted to a selective catalytic reduction vehicle engine management system, or the like.

    摘要翻译: 汽车尿素溶液监测装置与选择性催化还原车辆的尿素罐结合使用。 可以跨谐振电路产生恒定频率的RF信号,谐振电路可以由电感器和PCB迹线电容器等构成。 电磁辐射传播到尿素罐中的汽车尿素溶液中。 液体的导电性和介电性能改变离散/跟踪电容器和/或离散/迹线电感器的阻抗。 这些变化与尿素罐中的汽车尿素溶液的氨含量,温度和/或水平成比例,并且优选地由微控制器等检测,然后被传输到选择性催化还原车辆发动机管理系统,或者 喜欢。

    Determination of wheel sensor position using shock sensors and a wireless solution
    7.
    发明授权
    Determination of wheel sensor position using shock sensors and a wireless solution 有权
    使用震动传感器和无线解决方案确定车轮传感器位置

    公开(公告)号:US07367227B2

    公开(公告)日:2008-05-06

    申请号:US10761734

    申请日:2004-01-20

    IPC分类号: G01M17/02

    摘要: A remote tire monitor system includes a control unit and a plurality of tire monitors mountable on respective wheels of a vehicle to transmit radio signals to the control unit. The tire monitors each include a pair of motion sensors such as shock sensors and a control circuit configured to determine position information for the respective tire monitor based on first and second shock sensor signals from the pair of shock sensors. The shock sensors produce an output voltage proportional to a change in applied force. Therefore, the offset created by centrifugal force in previously used accelerometers is absent, simplifying design of the tire monitors.

    摘要翻译: 遥控轮胎监视器系统包括控制单元和可安装在车辆的相应车轮上的多个轮胎监视器,以将无线电信号传送到控制单元。 轮胎监视器每个包括一对运动传感器,例如冲击传感器和控制电路,该控制电路被配置为基于来自该对冲击传感器的第一和第二冲击传感器信号来确定相应的轮胎监视器的位置信息。 冲击传感器产生与施加力变化成正比的输出电压。 因此,不存在先前使用的加速度计中由离心力产生的偏移,从而简化轮胎监视器的设计。

    Method and apparatus for detecting wheel motion in a tire pressure monitoring system
    8.
    发明授权
    Method and apparatus for detecting wheel motion in a tire pressure monitoring system 有权
    用于检测轮胎压力监测系统中车轮运动的方法和装置

    公开(公告)号:US07104123B2

    公开(公告)日:2006-09-12

    申请号:US10936313

    申请日:2004-09-08

    IPC分类号: B06C23/02

    CPC分类号: B60C23/0408

    摘要: An apparatus for detecting motion of a wheel comprising tyre. The apparatus comprises a pressure sensor for measuring the tyre pressure and generating a signal corresponding to the measured tyre pressure, and means for detecting a component of said signal that corresponds to, or is generated by, vibrations of the tyre. Upon detection of the signal component, the apparatus determines that the wheel is in motion. The detecting means may arranged to detect an audio signal component or signal components having a frequency in the range 200 Hz to 300 Hz.

    摘要翻译: 一种用于检测包括轮胎的车轮的运动的装置。 该装置包括用于测量轮胎压力并产生对应于测量的轮胎压力的信号的压力传感器,以及用于检测与轮胎振动相对应或由其产生的所述信号的分量的装置。 在检测到信号分量时,装置确定车轮处于运动状态。 检测装置可以被布置成检测具有在200Hz至300Hz范围内的频率的音频信号分量或信号分量。

    Motion detection using a shock sensor in a remote tire pressure monitoring system
    9.
    发明授权
    Motion detection using a shock sensor in a remote tire pressure monitoring system 有权
    在远程轮胎压力监测系统中使用震动传感器进行运动检测

    公开(公告)号:US07362218B2

    公开(公告)日:2008-04-22

    申请号:US10761772

    申请日:2004-01-20

    CPC分类号: B60C23/0408

    摘要: A tire monitor for mounting to a vehicle as part of a remote tire monitoring system includes a tire condition sensor to produce a tire condition signal, a controller coupled to the tire condition sensor to control operation of the tire monitor, and a radio circuit coupled to the controller to transmit radio signals based at least in part on the tire condition signal. A shock sensor is coupled to the controller of the tire monitor to produce a motion signal indicating motion of the tire monitor.

    摘要翻译: 作为远程轮胎监视系统的一部分安装到车辆的轮胎监视器包括:轮胎状态传感器,用于产生轮胎状态信号;耦​​合到轮胎状况传感器的控制器,用于控制轮胎监视器的操作;以及无线电路, 所述控制器至少部分地基于所述轮胎状况信号来发射无线电信号。 震动传感器耦合到轮胎监视器的控制器以产生指示轮胎监视器的运动的运动信号。