Inventors:
Jaye F. Wheeler - Silver Spring MD
Glenn Sicard - Columbia MD
International Classification:
F16K 3700
Abstract:
A readily detachable automatic programmable water shutoff device for stopping the flow of excess water in plumbing pipes of a plumbing pipe system. This device requires no plumbing pipe system modifications for installation and use. The device comprises a detachable acoustic flow sensor which is placed externally on existing plumbing pipe, a detachable valve actuator which consist of a high torque motor attached to existing plumbing pipe valve stem, and a microprocessor based control circuit which a) monitors state of flow sensor, b) provides an operator control interface to the device, c) determines excess water flow conditions, d) provides an output signal to the high torque motor which shuts off the water for an excess water flow condition.