Apparatus for the preparation of hot drinks

Details Apparatus for the preparation of hot drinks Apparatus for the preparation of hot drinks

1991-11-01

1993-05-04

Coe, Philip R.

Foods and beverages: apparatus

Beverage

Infusors

99300, 137595, 137863, A47J 3146

Patent

active

052071499

ABSTRACT:
Apparatuses for the preparation of different hot drinks, such as in particular espresso machines, conventionally have a multiway valve (2), which is used for supplying hot water or superheated steam produced in a water heater to different means, such as coffee filters, frothing nozzle and/or collecting vessels. As a result of high temperatures and pressures the multiway valve is exposed to considerable stresses, which in the long term cannot be withstood by known valves or only when a complicated and costly construction is adopted. In the novel apparatus the multiway valve is provided with a perforated disk (8) and a rotary control dial (9). Rods (14) for closing the distributing passages (5) are passed through the holes in the perforated disk. The distributing passages are provided in a distributing block (1) to which the multiway valve is flanged. The position of the rods is determined by the rotary position of the control dial provided with a guide link for the rods.

REFERENCES:
patent: 3991788 (1976-11-01), Kull
patent: 4947738 (1990-08-01), Eugster
patent: 5113906 (1992-05-01), Hogner

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