Patent ID: 6669052
Filing Date: 2003-12-30
Classification: D06F,G06Q,Y10T

Abstract:
A chemical dispensing system for supplying to one or more process units a plurality of liquid chemicals, the system comprising:(a) a water supply; (b) a supply pipe extending from the water supply at a first end to a second end thereof; (c) a pump having an inlet port connected to the second end of the supply pipe and an outlet port connected to deliver liquid from the supply pipe to a selected process unit; (d) a plurality of chemical pods individually connected to the supply pipe; (e) a plurality of controllable valves, each one of which is connected between each of the chemical pods and the supply pipe; and (f) one or more sensors, each one of which is connected to and adapted for transmitting a signal corresponding to the quantity of liquid chemical in each respective chemical pod.