Patent ID: 7350245

Claim:
A liquid level detection and control system for controlling liquid level in a bathtub having a faucet and a faucet handle, said faucet having an inlet end for the liquid and an outlet end for discharge of the liquid into the bathtub, said system comprising: (a) a main housing operatively associated with said bathtub; (b) a sensor housing operatively associated with said main housing; (c) a hinged plate member disposed near said inlet of said faucet, said hinged plate member capable of being biased to a flat closed position to prevent liquid from flowing through said faucet and to an open angled position to permit liquid to flow through said faucet; (d) an electronic sensor means in said sensor housing capable of detecting the level of liquid in said bathtub and transmitting electronic signals to an electronic transmitter in said sensor housing when said liquid level reaches a preset level; (e) an electronic receiver in said main housing for receiving signals from said transmitter and sending electronic signals to an electronic circuit in said main housing; and (f) a solenoid actuator in said main housing for receiving signal from said electronic circuit and biasing said hinged plate member to a closed position and prevent liquid flow from said faucet to said bathtub when said liquid level reaches said preset level.