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    • 2. 发明授权
    • Electrostatic capacity-type stroke sensor and dielectric material
therefor
    • 静电容量型行程传感器及其介电材料
    • US4862063A
    • 1989-08-29
    • US121244
    • 1987-11-16
    • Hiroshi KobayashiToshiro Ichikawa
    • Hiroshi KobayashiToshiro Ichikawa
    • B60G17/019G01D5/241
    • B60G17/01933G01D5/2412B60G2400/252
    • An electrostatic capacity-type stroke sensor is designed for measuring relative displacement between a cylindrical member and a rod member. The electrostatic capacity-type stroke sensor includes a conductive cylinder arranged coaxially to the cylindrical member and fixed to one of the cylindrical member and the rod member for movement therewith. An annular member movable with either the cylindrical member or the rod member and made of a dielectric material is provided opposite the conductive cylinder. The conductive cylinder and the dielectrical annular member are coupled for creating electric capacity magnitude which is variable depending upon the relative position thereof. The conductive cylinder and the dielectric annular member are arranged for relative movement according to relative movement of the cylindrical member and the rod member so that the electrostatic capacity is variable depending upon the relative position of the cylindrical member and the rod member.
    • 静电容量型行程传感器设计用于测量圆柱形构件和杆构件之间的相对位移。 静电电容型行程传感器包括与圆柱形构件同轴地布置并固定到圆柱形构件和杆构件中的一个上以与其一起运动的导电圆柱体。 与导电圆柱体相对设置的环形构件可与圆柱形构件或杆构件一起移动并由电介质材料制成。 导电圆柱体和介电环形构件被联接以产生根据其相对位置而变化的电容量大小。 导电圆柱体和电介质环形构件被布置为根据圆柱形构件和杆构件的相对运动而相对运动,使得静电容量根据圆柱构件和杆构件的相对位置而变化。