Patent ID: 6173862
Filing Date: 2001-01-16
Classification: B67D

Abstract:
A beverage dispense head for mixing a first liquid and a second liquid, comprising:a nozzle having a first inlet port for the first liquid and a second inlet port for the second liquid, a first liquid outlet port and a second liquid outlet port, said second liquid outlet port defining a continuous opening surrounding the first liquid outlet port; a first flow passage in the nozzle interconnecting the first liquid inlet port and the first liquid outlet port, and a second flow passage in the nozzle, fluidly separate from the first passage, interconnecting the second liquid inlet port and the second liquid outlet port, said second liquid outlet port having a configuration which can form a continuous outlet flow of second liquid completely surrounding an outlet flow of first liquid from the first liquid outlet port, said outlet flow of second liquid combining under surface tension into a single stream downstream from the nozzle, the combining of the second liquid into the stream forming a cup-shape, with the first liquid being introduced through the first liquid outlet port internally of the cup to be mixed together with the second liquid and passed downstream from the nozzle in a combined stream, and wherein said nozzle includes a discharge surface and the first and second liquid outlet ports open to the discharge surface, said discharge surface having a concave tapered shape.