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    Pressure switch apparatus for monitoring pressure level in an enclosed chamber and methods of calibrating same and for making a movable contact arm for use therewith
    1.
    发明公开
    Pressure switch apparatus for monitoring pressure level in an enclosed chamber and methods of calibrating same and for making a movable contact arm for use therewith 失效
    用于监测在用于校准的密闭空间和方法中的压力和用于制造用于与其一起使用的可移动触头载体压力开关。

    公开(公告)号：EP0630033A1

    公开(公告)日：1994-12-21

    申请号：EP94304222.6

    申请日：1994-06-10

    申请人： TEXAS INSTRUMENTS INCORPORATED

    发明人： Dwyer, Daniel ,  Morin, Daniel ,  Mazzola, Massimo ,  Abrahamson, Karl R.

    IPC分类号： H01H35/34 ,  H01H35/28

    CPC分类号： H01H35/34 ,  H01H9/0264 ,  H01H11/0056 ,  H01H35/28

    摘要： A low pressure monitor for hybrid air bag systems for vehicles includes a pressure responsive disc 34.6 exposed on one side to a reference pressure chamber 34.11 and on the other side to the pressure in an air bag bottle 40 and positioned adjacent a movable arm 28.10 of an electric switch. The switch includes an electrically conductive sheet having a first portion partially encased in a base 26 of electrically insulative material and being connected to a first terminal 14 and a second portion forming the movable contact arm 28.10 extending from the insulative material and culminating with a portion formed with contact rib 28.14 adapted to be received beneath a laterally extending stationary contact portion 22 of a second terminal 16. Tabs 28.4, 28.6 extend from the sheet out of the insulative material for connection to a resistor 30 mounted on the electrically insulative base and a frangible portion 28.7 of the first portion is severed to place the resistor in series with the electrical contacts. The monitor is disposed in an air bag bottle with the disc 34.6 adapted to snap from one dished configuration to an opposite dished configuration whenever the pressure on the bottle decreases to a selected level. The movement of the snapping of the disc is transferred to the movable arm 28.10 separating the contact rib 28.14 from the stationary contact portion 22 opening the circuit.

    摘要翻译： 用于混合动力气囊系统的低压监控器用于车辆包括暴露在一侧与一个基准压力室34.11和在另一侧上的压力在上气囊瓶40和定位的相邻的可动臂10/28压力响应圆盘34.6 电开关。 开关在具有电绝缘材料的基底26部分地包裹和被连接到第一端子14和第二部分上形成可动触点臂10/28从绝缘材料延伸并且最终的第一部分导电片包括具有一部分形成 接触肋较晚反弹的第二端子延伸的固定接触部分22 16突出部28.4，28.6从片材延伸出绝缘材料的，用于连接到一个电阻器30安装在所述电绝缘底座和易碎上下方被接收28.14 angepasst 在部分所述第一部分的28.7被切断以将电阻器串联在电触点。 监视器被配置在到气囊瓶与盘34.6 angepasst从一个卡扣抛出配置在相对配置抛出每当瓶子上的压力降低到一个选定的水平。 盘的捕捉的运动被传递到可动臂28/10从开口的电路中的固定接触部22分离的接触肋28.14。