Automatic brewer

Details Automatic brewer Automatic brewer

A - Human Necessities

47

J

A47J 31/60 (2006.01) A47J 31/46 (2006.01) A47J 31/56 (2006.01)

Patent

CA 2181229

A spool for use with a piston assembly in an automatic beverage brewing apparatus including a brew chamber having an inlet and an outlet, a filter disposed therein, and a water distribution system for introducing brew water and flush water therein. A flush water dispenser of the water distribution system is positioned centrally in the brew chamber for rinsing inside surfaces of the brew chamber. The piston assembly includes the spool and a device for controllably moving the spool in axial and rotary directions. The spool has a head, a base, and a necked portion extending between the head and the base. The head and base have external dimensions which are less than or substantially equal to an internal dimension of an opening in the filter. The external dimension of the head is less than or substantially equal to the external dimension of the base. The dimensions of the head, base and necked portion allow the filter assembly to be installed and removed over the head and base. The spool is disposed in the brew chamber for controllably opening and plugging the inlet and outlet. A port, associated with the flush water dispenser, is formed through an exterior surface of the spool between the head and the necked portion for dispensing flush water.

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