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    • 53. 发明授权
    • Capacitive angular position sensor
    • 电容角位置传感器
    • US06876209B2
    • 2005-04-05
    • US10695309
    • 2003-10-28
    • Yingjie LinWarren Baxter Nicholson
    • Yingjie LinWarren Baxter Nicholson
    • G01D5/24G01R27/26
    • G01D5/2405
    • A sensor assembly for sensing angular position of one object relative to another object. A capacitor is formed between a transmitter capacitor plate having a pair of transmitter electrodes and a receiver capacitor plate having preferably eight receiver electrodes forming four receiver electrode pairs. A dielectric rotor rotates between the plates, the rotor having first and second segments each subtending 67.5 which are mutually separated by a vacancy subtending 45 degrees, and further having a third segment subtending 45 degrees disposed between the first and second segments diametrically opposite the vacancy. An electrical circuit measures net charge induced on each of the receiver electrode pairs, wherein the charges indicate the angular position of said rotor relative to said transmitter and receiver capacitor plates.
    • 用于感测一个物体相对于另一个物体的角位置的传感器组件。 在具有一对发射器电极的发射器电容器板和具有形成四个接收器电极对的优选八个接收器电极的接收器电容器板之间形成电容器。 电介质转子在板之间旋转,转子具有第一和第二段,每个与第一段和第二段对齐,它们彼此分开,空位对齐45度,并且还具有一个第三段对角45度,设置在与空位完全相反的第一段和第二段之间。 电路测量在每个接收器电极对上感应的净电荷,其中电荷指示所述转子相对于所述发射器和接收器电容器板的角位置。
    • 55. 发明申请
    • Temperature compensation method for soot sensor
    • 煤烟传感器的温度补偿方法
    • US20050017738A1
    • 2005-01-27
    • US10909272
    • 2004-07-30
    • Yingjie LinNicte Salvador
    • Yingjie LinNicte Salvador
    • G01N27/02G01N27/06G01N33/28G01R27/08
    • G01N33/2888G01N27/02
    • Certain characteristics of Diesel engine lubrication oil are determined. A sensor formed as a capacitor is immersed in the oil. An inductor is in series with the sensor, and a high frequency voltage with a varying frequency is applied to the resonance circuit formed by the inductor and capacitor. Resonance is sensed, and the resonant frequency and/or the resonant current are used to determine the soot content and/or the dielectric constant of the oil. The electronics temperature can be used to compensate for temperature variations in the resonant frequency and the electronics temperature and the oil temperature can be used to compensate for temperature variations in the resonant current. The compensated values are preferably used in the determination of soot content and the dielectric constant.
    • 确定柴油发动机润滑油的某些特性。 将形成为电容器的传感器浸入油中。 电感器与传感器串联,并且具有变化频率的高频电压被施加到由电感器和电容器形成的谐振电路。 感测到共振,并且使用谐振频率和/或谐振电流来确定油的烟灰含量和/或介电常数。 电子温度可用于补偿谐振频率和电子温度的温度变化,并且油温可用于补偿谐振电流的温度变化。 补偿值优选用于确定烟灰含量和介电常数。
    • 57. 发明授权
    • Circuit design for liquid property sensor
    • 液体传感器电路设计
    • US06693444B2
    • 2004-02-17
    • US10199651
    • 2002-07-19
    • Yingjie LinSu-Chee Simon Wang
    • Yingjie LinSu-Chee Simon Wang
    • G01R2708
    • G01N27/02G01N33/2835
    • An apparatus for measuring the complex impedance of a fuel includes a sensing element in contact with the fuel. The sensing element is excited with an excitation signal of a predetermined frequency, preferably in a range of 10 kHz to 100 kHz. The induced signal is used to generate a phase and a magnitude signal indicative of the phase and magnitude of the complex impedance. From the phase and magnitude signals, the resistance and capacitance of the fuel can be calculated. Correction for variations in temperature of the electronics is provided, as is variable control to adjust the resolution of the magnitude signal required by fuels of varying content, such as varying ethanol content.
    • 用于测量燃料的复阻抗的装置包括与燃料接触的感测元件。 感测元件以预定频率的激励信号激励,优选地在10kHz至100kHz的范围内。 感应信号用于产生指示复阻抗的相位和幅度的相位和幅度信号。 从相位和幅度信号可以计算燃料的电阻和电容。 提供电子装置的温度变化的校正,以及用于调节不同含量的燃料(例如不同乙醇含量)所需的幅度信号的分辨率的可变控制。
    • 59. 发明授权
    • Steering column differential angle position sensor
    • 转向柱差角位置传感器
    • US06443020B1
    • 2002-09-03
    • US09663473
    • 2000-09-15
    • Yingjie LinWarren Baxter NicholsonSteven Douglas Thomson
    • Yingjie LinWarren Baxter NicholsonSteven Douglas Thomson
    • G01L302
    • B62D6/10
    • A steering column differential angle position sensor includes an upper target wheel and a lower target wheel. Each target wheel forms a plurality of similarly shaped slots that are equally spaced radially around the target wheels. Two receiver coils and a excitation coil are coaxially aligned with the target wheels. A hollow housing surrounds the target wheels and the coils. The excitation coil generates an alternating current magnetic field around itself, and this alternating current magnetic field generates eddy current in the target wheels. The receiver coils receive an alternating current signal that is a combination of the alternating current magnetic field generated by the excitation coil and the eddy current. The receiver coils sense changes in the alternating current signal due to differential slot alignment of the target wheels, and hence, the torque on a steering column that is mechanically coupled to the sensor.
    • 转向柱差角位置传感器包括上目标轮和下目标轮。 每个目标轮形成多个类似形状的槽,其围绕目标轮径向等距分布。 两个接收器线圈和激励线圈与目标轮同轴对准。 围绕目标轮和线圈的中空壳体。 励磁线圈在其周围产生交流磁场,该交流磁场在目标轮中产生涡电流。 接收器线圈接收由励磁线圈产生的交流磁场与涡流的组合的交流信号。 接收器线圈由于目标轮的差动槽对准以及因此机械耦合到传感器的转向柱上的转矩而感测到交流信号中的变化。