Device for a beverage brewing machine for the heating and emulsi

Details Device for a beverage brewing machine for the heating and emulsi Device for a beverage brewing machine for the heating and emulsi

1996-02-06

1997-03-25

Nguyen, Khanh P.

Gas and liquid contact apparatus

Contact devices

Liquid tank

2611211, 261DIG16, 261DIG76, A47J 3141, A47J 4312

Patent

active

056141300

ABSTRACT:
The present invention relates to a device for a beverage brewing machine for the heating and emulsification of liquids, in particular for the preparation of the coffee with milk beverage "Cappuccino". The device comprises a pipe and a nozzle succeeding in the lower section to the bore, from the orifice of which nozzle hot steam exits during operation. The nozzle is encompassed by the pipe such that an annular chamber is formed around the nozzle, which chamber is open in the direction of flow. The open end of the annular chamber extends beyond the orifice of the nozzle. Apertures are formed at the pipe at the level of the orifice of the nozzle, through which the air, which is necessary for the emulsification, can enter the annular chamber. Further, rib structure is provided at the pipe which permits a user to keep a defined distance between the orifice of the nozzle and the liquid's surface by visual check. Handling is considerably simplified during the emulsification of milk, because the visual check means permits a user to easily maintain the distance of the orifice of the nozzle from the surface of the milk. Good froth results are obtained.

REFERENCES:
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patent: 4852473 (1989-08-01), Azpitarte Bolivar
patent: 4852474 (1989-08-01), Mahlich et al.
patent: 4960042 (1990-10-01), Grossi
patent: 5233915 (1993-08-01), Siccardi
patent: 5265520 (1993-11-01), Giuliano
patent: 5277849 (1994-01-01), Morton et al.
patent: 5330266 (1994-07-01), Stubaus
patent: 5335588 (1994-08-01), Mahlich
patent: 5339725 (1994-08-01), De'Longhi

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