Apparatus for infusion for the preparation of foam, foaming or crema under low pressure.

摘要

"Apparatus for infusion for the preparation of foam, foaming or crema under low pressure.The present invention belongs to a preparation for infusion filter apparatus capable of preparing foam, foaming or crema, particularly for coffee drinks, under low pressure.The apparatus can operate at pressures below 15 bars and as low as 1 - 3 bars.The apparatus comprises a lid of the screen, coarse filter, fine filter, ring seal, container of coffee, sealing ring and a small, maker of foams having two opposite holes.The holes have a diameter in the range of 0.3 to 1 mm.The crema is created by the contact of a turbulent, the two opposite jets of coffee, and entering the foam maker through two holes on opposite.To increase further the agitation and the surface area for contact, a screen of stainless steel wire can be positioned in the center of the maker of foams, directly in the path, and between.The opposite jets of coffee to facilitate the formation of crema.