Liquid and liquid additive dispensing means

Claim 1

A DISPENSING DEVICE INCLUDING: A BASE; A PUMP HAVING INLET AND OUTLET MEANS MOUNTED ON SAID BASE; A MOTOR FOR DRIVING SAID PUMP MOUNTED ON SAID BASE; A STORAGE TANK MOUNTED ON SAID BASE; CONDUIT MEANS EXTENDING THROUGH SAID TANK AND CONNECTED AT ONE END THEREOF TO SAID INLET MEANS OF SAID PUMP, THE OTHER END OF SAID CONDUIT MEANS BEING CONNECTABLE TO A SOURCE OF LIQUID, SAID CONDUIT MEANS HAVING A LONGITUDINAL PASSAGE; A BRANCH DUCT IN SAID TANK HAVING A FLOW PASSAGE COMMUNICATING AT ONE END WITH SAID FLOW PASSAGE OF SAID CONDUIT MEANS AND AT ITS OTHER END WITH SAID TANK ADJACENT THE UPPER END OF SAID TANK, SAID FLOW PASSAGE BEING OF SMALLER ORIFICE THAN SAID LONGITUDINAL PASSAGE; AND DUCT MEANS CONNECTING THE LOWER END OF SAID STORAGE TANK WITH SAID INLET MEANS OF SAID PUMP, SAID LAST MENTIONED DUCT MEANS HAVING VALVE MEANS FOR CONTROLLING FLOW OF FLUID FROM SAID STORAGE TANK TO SAID PUMP INLET MEANS, SAID INLET MEANS OF SAID PUMP BEING SPACED BELOW THE LEVEL OF LIQUID IN SAID TANK.