Patent ID: 6681585
Filing Date: 2004-01-27
Classification: B67D,F25D,G01F

Abstract:
A liquid dispenser and self-filling container system, comprising:a liquid supply line, a liquid container, a liquid dispenser positioned to deliver a supply of liquid to said container from said liquid supply line, a valve positioned in said liquid supply line to selectively deliver liquid to said liquid dispenser, an optical sensor comprises comprising a light emitting device and a light receiving device located outside of said container and a reflector located inside of said container for detecting the presence of said container and a level of liquid in said container, a control circuit connecting said optical sensor and said valve to open said valve when said sensor detects the presence of said container and a level of liquid below a maximum desired liquid level in said container and to close said valve when said sensor detects at least one of the absence of said container and a maximum desired liquid level in said container.