System and method for dispensing liquid foam, in particular a direct-foam cleaning product

Abstract The invention relates to a system for dispensing liquid foam, in particular a direct foam cleaning product, comprising a container for the liquid and a dispensing apparatus connected 5 to the container. Here, the dispensing apparatus comprises a pump comprising a pump chamber in fluid communication with the container and a piston arranged in the pump chamber, the piston and pump chamber being movable with respect to one another; an outlet channel connecting the pump chamber to a nozzle; a pre-compression valve arranged between the outlet channel and the nozzle; and a buffer comprising a buffer chamber connected to the outlet channel, the buffer chamber 10 including a compressible variator arranged therein for varying the usable volume of the buffer chamber; wherein the nozzle, the buffer and the pump are configured and dimensioned such that the foam is dispensed in a predetermined spray pattern.