公开(公告)号：WO2007097974A3

公开(公告)日：2008-10-02

申请号：PCT/US2007003946

申请日：2007-02-13

Applicant: PERMA PIPE INC ,  BAILEY DOUGLAS S ,  KUBICEK STEVEN

Inventor： BAILEY DOUGLAS S ,  KUBICEK STEVEN

IPC: G08B3/00

CPC classification number: G01N19/10 ,  G01N1/405 ,  G01N5/02 ,  G08B21/16

Abstract: A fluid sensor (10) comprises a senor housing (12), a sensor package (14), an actuator and a switch (18). The sensor package(14) is disposed within the sensor housing (12) and includes first and second screens and at least one sensing membrane (34). The sensing membrane (34) is disposed between the first and second screens and is adapted to expand when exposed to a predetermined quantity of a first predetermined fluid. The actuator (10) is disposed proximate the sensor package within the sensor housing and moveable between a first position and a second position through an intermediate position. The switch is disposed proximate the actuator and is operable between closed and open positions. When the actuator (16) is in the second position at least a portion of the actuator depresses the switch to control an electrical circuit connected therewith.

Abstract translation: 流体传感器（10）包括传感器壳体（12），传感器封装（14），致动器和开关（18）。 传感器封装（14）设置在传感器外壳（12）内并且包括第一和第二屏幕以及至少一个传感膜（34）。 感测膜（34）设置在第一和第二屏幕之间，并且适于在暴露于预定量的第一预定流体时膨胀。 所述致动器（10）设置在所述传感器外壳内的所述传感器封装附近，并通过中间位置在第一位置和第二位置之间移动。 开关设置在致动器附近并且可在闭合位置和打开位置之间操作。 当致动器（16）处于第二位置时，致动器的至少一部分按压开关以控制与其连接的电路。