Gas leak sensor system

Details Gas leak sensor system Gas leak sensor system

G - Physics

01

M

G01M 3/16 (2006.01) G01M 3/20 (2006.01)

Patent

CA 2121476

11 A gas leak sensor system detects the presence of gas leaking into any one of a plurality of test spaces for example, refrigeration gas into a refrigeration case. A plurality of tubes extend from each of the test spaces to a sensor location whereat a selector valve is connected to each tube. A controller actuates the selector valves to select tubes in a particular order and a vacuum source draws air and any leaking gas through a selected tube and through a gas sensor to activate an alarm. The gas sensor is purged at least each time a leaking gas has been sensed. The foregoing Abstract is merely a resume of general applications, it is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.

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