Sensor for detecting hydrocarbons

Details Sensor for detecting hydrocarbons Sensor for detecting hydrocarbons

2007-02-13

2011-11-01

Pope, Daryl (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specified indicator structure

C340S539220, C340S603000, C204S401000

Reexamination Certificate

active

08049638

ABSTRACT:
A fluid sensor comprises a sensor housing, a sensor package, an actuator and a switch. The sensor package is disposed within the sensor housing and includes first and second screens and at least one sensing membrane. The sensing membrane 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 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 is in the second position at least a portion of the actuator depresses the switch to control an electrical circuit connected therewith.

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