AN IMPROVED APPARATUS FOR GENERATING MISTS AND FOAMS

摘要

An apparatus for generating a mist and/or foam is provided. The apparatus comprises at least one first fluid supply passage having an inlet in fluid communication with a first fluid supply and a first fluid outlet; at least one second fluid supply passage having an inlet in fluid communication with to second fluid supply and a second fluid outlet; and a nozzle in fluid communication with the first and second fluid outlets, the nozzle having a nozzle inlet, a nozzle outlet, and nozzle throat intermediate the nozzle inlet and the nozzle outlet, the nozzle throat having a cross sectional area which is less than that of both the nozzle inlet and the nozzle outlet; and wherein the second fluid outlet includes it porous member through which the second fluid must flow.