Leak detector using capacitance sensor

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United States of America Patent

PATENT NO 9921125
SERIAL NO

14228037

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Abstract

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A system that holds a liquid such as water includes an electrode coupling the system to a surface. A capacitance sensor is coupled to the electrode. A processor is coupled to the capacitance sensor. The processor is adapted to receive a signal from the capacitance sensor to determine whether the liquid is present at the surface and to send one or more indication signals if liquid is present at the surface. A response circuit coupled to the processor causes the system to take responsive action in response to receipt of an indication signal. Responsive action includes causing the system to perform a failsafe action, such as automatic shutdown. A communication circuit notifies a user that a fault has occurred in the system over a network.

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Patent Owner(s)

  • NXP USA, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Osoinach, Bryce T Phoenix, US 11 303
Roshak, Lawrence T Chandler, US 4 30

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