Patent ID: 7111817
Filing Date: 2006-09-26
Classification: E03B,F16K

Abstract:
1. A municipal water supply control system, comprising an underground water main, at least one water consumer station downstream from the water main and an underground water delivery channel joining the water main to the water consumer, underground valve means located either in the underground water main, the underground water delivery channel or there between for controlling the passage of water to the water consumer, underground valve activation means, responsive to an activation signal for activating the underground water valve means between a closed condition and an open condition, valve activation control means for issuing the activation signal and data channel means for establishing a wired or wireless data channel between the valve activation control means and the underground valve actuation means to deliver the activation signal thereto, the underground valve means including a drive motor and a valve housing, the valve housing having a first inlet and a first outlet and a channel there between, the valve housing containing a valve element movable between an open position and a closed position, respectively to open or close the channel, the activation signal includes a data conponent representative of a target position for the valve element, detection means for detecting the position of the motor axle in order to determine the current position of the valve element, and comparison means for comparing the target position with the current position.