Abstract: The steam ejection nozzle comprises an elongated body which internally defines a chamber. One end of the body is open for coupling to a steam delivery duct and the other end has a plurality of steam discharge outlets. The steam ejection nozzle furthermore comprises a lamination cone which can be partially immersed within a fluid to be emulsified. The lamination cone is skimmed by the flow of steam discharged from the outlets in order to facilitate penetration of the steam into the liquid and create a vortex which increases the inclusion of air.

Abstract: A device for obtaining hot drinks in solution, especially hot drinks made from a freeze-dried product. The freeze-dried product is dispensed in a predetermined dose into a treatment chamber. The treatment chamber is closed and air, liquid, and steam are injected into the treatment chamber in order to dissolve the predetermined dose and to create the hot drink. The predetermined dose is substantially mixed and dissolved in the liquid, steam and air and removed from the treatment chamber through an outlet in a cover of the treatment chamber and through a valve in the bottom of the treatment chamber. The supply of air to the treatment chamber can be interrupted if the hot drink is desired without froth.

Abstract: A percolator holding pan for "espresso" coffee making machines enabling delivery of rich "espresso" coffee with a good flavor irrespective of the coffee powder conditions, such as its grinding grade, moisture content, and possibly the extent of its pressing. The pan comprises a body adapted for fitting to a delivery assembly of an "espresso" coffee maker, and a cavity formed in the body and having a bottom. A cupped percolator for the coffee powder is housed within the cavity. Two "espresso" coffee dispensing spouts are provided, and a liquid path extends through the body between the cupped percolator and the spouts and includes a compartment interposed between the cupped percolator and the bottom, as well as a pressure control provided in the path to control the pressure downstream of the cupped percolator.

Abstract: A manually operated coffee-making machine comprises, water storage reservoir and a hand-operated pump element which extends into the interior of the reservoir. The pump element is actuatable from the exterior of the reservoir. The delivery side of the pumping element is connected to an infusion chamber assembly which accommodates the coffee powder and is in communication with a dispensing tap opening to the exterior of the reservoir. An hydraulic accummulator is also provided. This hydraulic accummulator branches off a conduit connecting the delivery side of the pumping element to the infusion chamber assembly.

Abstract: An emulsifier unit particularly for emulsifying steam and milk to prepare "cappuccino's" comprises a steam delivery conduit in communication with a steam generator and opening into a suction chamber into which a milk delivery conduit is led, said suction chamber being in communication with an emulsifying chamber provided with an outward dispensing opening.