Patent ID: 6052841
Filing Date: 2000-04-25
Classification: E03D,Y02A

Abstract:
A system for preventing overflows in a toilet connected to a water conduit, said system comprising:a sensor adapted to be mounted to the toilet at a selected location, the sensor being operative to sense a water level in the toilet at or above the selected location and responsive thereto to generate a signal;a valve adapted to be connected to the water conduit and being manipulable to respective open and closed positions;a drive assembly connected to the valve and operative to selectively drive the valve to the respective open and closed positions; anda processor electrically connected to the sensor and the drive assembly, and responsive to receiving a predetermined number of consecutive warning signals indicative of a potential overflow condition from the sensor at predetermined intervals to enable the drive assembly to drive the valve to the closed position to close the water conduit, the predetermined intervals being selected based on the flushing duration of the toilet to avoid a false positive signal.