Automatic coffee brewing apparatus and control method

Details Automatic coffee brewing apparatus and control method Automatic coffee brewing apparatus and control method

2005-08-22

2009-08-11

Alexander, Reginald L (Department: 3742)

Foods and beverages: apparatus

Beverage

Infusors

C099S28900D

Reexamination Certificate

active

07571674

ABSTRACT:
This invention provides for a coffee brewing apparatus and its control method, which comprises a control circuit and a water loop comprising a water reservoir, a pump, a control valve, a boiler, a brewing assembly, a three-way connector and a connecting hose. When coffee is to be brewed, hot water flows top-down through the brewing chamber cover, the upper filter, the coffee grounds, the lower filter, the brewing chamber, the first port of the three-way connector, the second port of the three-way connector and the connecting hose; the brewed coffee finally flows out from said connecting hose. This coffee brewing apparatus has additional functions of automatic residue discharge, automatic water discharge and automatic cleaning.

REFERENCES:
patent: 5302407 (1994-04-01), Vetterli
patent: 6561079 (2003-05-01), Muller et al.
patent: 7353752 (2008-04-01), Blanc
patent: 0486434 (1991-11-01), None

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