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    • 5. 发明授权
    • Pressure sensing device
    • 压力传感装置
    • US06168566A
    • 2001-01-02
    • US09172552
    • 1998-10-14
    • Raymond A. LiaJames M. BaxterRobert L. Vivenzio
    • Raymond A. LiaJames M. BaxterRobert L. Vivenzio
    • A61B500
    • G01L7/084A61B5/021G01L7/082
    • A pressure sensing device includes a housing having an interior sized for containing a flexible diaphragm, the deflection of which causes subsequent movement of a movement mechanism relative to an indicating dial face. The diaphragm is nonfixedly attached to the bottom side of a support plate disposed within the housing interior, in which the plate includes a center opening sized to support the movement mechanism and position an input member of the movement mechanism adjacently to the flexible diaphragm. A pressure chamber is established between the bottom of the housing and the diaphragm such that air or other fluid entering the chamber causes deflection of the diaphragm and subsequent movement of the input member. Preferably, the diaphragm is retained within a slot formed in the housing and clamped into contact with a flexible gasket and the bottom surface of the support plate.
    • 压力感测装置包括壳体,其具有尺寸适于容纳柔性隔膜的内部,该柔性膜片的偏转导致运动机构相对于指示盘表面的后续移动。 隔膜非固定地附接到设置在壳体内部的支撑板的底侧,其中板包括中心开口,该中心开口的尺寸设置成支撑移动机构,并将移动机构的输入构件相对于柔性隔膜定位。 在壳体的底部和隔膜之间建立压力室,使得进入腔室的空气或其它流体引起隔膜的偏转和随后的输入构件的移动。 优选地,隔膜保持在形成在壳体中的槽内并且夹紧成与柔性垫片和支撑板的底表面接触。