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    • 2. 发明授权
    • Normally open pressure responsive switch
    • 常开压力开关
    • US5708245A
    • 1998-01-13
    • US913275
    • 1992-07-14
    • Karl H. WernerMurad M. VosgershianNallan C. SureshDale R. SoggeKai L. Keasey
    • Karl H. WernerMurad M. VosgershianNallan C. SureshDale R. SoggeKai L. Keasey
    • H01H35/34H01H35/40
    • H01H35/34
    • A normally open pressure responsive electrical switch is shown having upper and lower body members with a combination terminal and disc seat member sandwiched therebetween. An electrically conductive snap acting disc is disposed on the disc seat and is adapted to snap through a centrally disposed aperture in the terminal into electrical engagement with an electrical contact disposed on a terminal mounted in the lower body member. The upper body member has a bore extending therethrough and slidably mounts a pressure converter adapted to convert pressure from a pressure source to a force and apply the force to the disc. A flexible membrane is disposed over the bore with an O-ring received on an O-ring seat adjacent the bore in the upper body member. A wall extending around the seal seat is deformed to capture the O-ring at its seat.
    • 示出了常开的压力响应电开关,其具有夹在其间的组合端子和盘座构件的上主体构件和下主体构件。 导电的快速作用盘设置在盘座上,并且适于卡扣终端中的中心设置的孔与设置在安装在下主体构件中的端子上的电触点电接合。 上身构件具有延伸穿过其中的孔,并且可滑动地安装压力转换器,其适于将压力从压力源转换成力并向盘施加力。 柔性膜设置在孔的上方,O形环容纳在靠近上身构件中的孔的O形环座上。 围绕密封座延伸的壁变形以在其座处捕获O形环。