公开(公告)号：US4524254A

公开(公告)日：1985-06-18

申请号：US551030

申请日：1983-11-14

申请人： Hatsuyoshi Yoshida ,  Michio Fukutome ,  Makoto Ohuchi ,  Jyun Ohta

发明人： Hatsuyoshi Yoshida ,  Michio Fukutome ,  Makoto Ohuchi ,  Jyun Ohta

IPC分类号： H01H35/34 ,  H01H9/04 ,  H01H35/40 ,  H01H9/02

CPC分类号： H01H9/047 ,  H01H35/34

摘要： A pressure switch including a diaphragm displaceable under pressure and a switch chamber containing a switch element responsive to the displacement of the diaphragm, the switch chamber further including a vent hole formed therein for communicating said switch chamber with the surrounding atmosphere, the vent hole being closed at one end by a porous filter having air permeability and water repellency, the filter extending outwardly from the surrounding walls of a holder.

摘要翻译： 一种压力开关，包括在压力下可移动的隔膜和开关室，所述开关室包含响应于所述隔膜位移的开关元件，所述开关室还包括形成在其中的通气孔，用于使所述开关室与周围大气连通，所述通气孔被封闭 在一端具有透气性和防水性的多孔过滤器，过滤器从保持器的周围壁向外延伸。