Automatic brewer

Details Automatic brewer Automatic brewer

1991-04-10

1992-08-04

Jenkins, Robert W.

Foods and beverages: apparatus

Beverage

Infusors

99300, 210499, A47J 3106, A47J 3100

Patent

active

051349256

ABSTRACT:
An automatic beverage brewing apparatus which includes: a brew chamber assembly; a piston assembly projecting through the brew chamber assembly; a drive apparatus attached to the piston assembly for moving the piston assembly through the brew chamber; and a water distribution system for distributing brew water and flush water to the brew chamber assembly. The piston assembly can be controllably axially displaced and rotated. The piston assembly includes: a generally elongated spool member and an elongated shank portion connected to the spool member; a central axis extending coaxially through both the spool member and the shank portion; a flush water bore extending through the spool member and the shank portion generally coaxial with the central axis. A throat is formed through a top end of the brew chamber and a drain hole formed in a bottom end of the brew chamber. The piston assembly is positioned inside of the brew chamber assembly and is capable of releasably sealing both the throat and the drain by being axially moved through the brew chamber. A spray nozzle is attached to the spool member and receives water from the flush water bore for rinsing the inside of the brew chamber.

REFERENCES:
patent: 3288049 (1966-11-01), Schmid et al.
patent: 3683790 (1972-08-01), Black et al.
patent: 4579049 (1986-04-01), Rodrigues
patent: 4633771 (1987-01-01), Anderl
patent: 4651632 (1987-03-01), Motsch
patent: 4694737 (1987-09-01), Wittlinger
patent: 4703686 (1987-11-01), Siegfried

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