Nozzle for foaming, spraying or producing mist from liquid comprises tubular housing with inlet for liquid and annular channel connected to gas inlet

摘要

Nozzle for foaming, spraying or producing a mist from a liquid comprises a tubular housing (4) with an inlet (6) for liquid and an annular channel (5, 9) connected to a gas inlet (8). Independent claims are included for: (a) a foaming unit containing the nozzle and lines connected to tanks for the liquid and gas; and (b) a method for foaming a liquid containing the nozzle.