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    • 9. 发明授权
    • Physical quantity measuring device
    • 物理量测量装置
    • US06578429B1
    • 2003-06-17
    • US09746424
    • 2000-12-21
    • Dominick DannaRaymond A. LiaJohn W. SimsRobert L. Vivenzio
    • Dominick DannaRaymond A. LiaJohn W. SimsRobert L. Vivenzio
    • G01L704
    • G01D5/04G01L7/043G01L7/063G01L19/10
    • An apparatus for measuring a physical quantity or parameter includes a housing having a supportably mounted shaft member. A first end of the shaft member is placed in proximity with the output of a displacement device which is responsive to a change in the physical quantity. A ribbon spring member is coaxially disposed and wound helically about the supported shaft member, one end of the spring member being attached to the shaft and a remaining end to a supporting structure. Based on a change in the physical quantity, (pressure, velocity, temperature, etc.), the output of the displacement device engages the shaft member, which axially displaces and rotates due to the constraint of the ribbon spring member. The rotation of the shaft member produces a corresponding angular deflection of an attached pointer relative to readable indicia.
    • 用于测量物理量或参数的装置包括具有可支撑地安装的轴构件的壳体。 轴构件的第一端放置在与物理量的变化相应的位移装置的输出附近。 带状弹簧构件同轴地设置并围绕支撑的轴构件螺旋地缠绕,弹簧构件的一端附接到轴,而剩余的端部附接到支撑结构。 基于物理量(压力,速度,温度等)的变化,位移装置的输出与轴构件接合,该轴构件由于带状弹簧构件的约束而轴向移位和旋转。 轴构件的旋转相对于可读标记产生附接指针的相应角度偏转。