Patent ID: 8794127

Claim:
A machine for brewing a beverage, the machine comprising: a chamber operable to receive a liquid and a flavor base and to allow the beverage to brew; and a piston assembly disposed within the chamber and operable to: filter a solid from the brewed beverage by moving in a first direction; and force the filtered beverage out of the chamber by moving in a second direction, wherein the piston assembly comprises: a filter assembly; and a valve that is operable to: allow the brewed beverage to pass through the filter assembly as the piston assembly moves in the first direction; and prevent the filtered beverage from passing through the filter assembly as the piston assembly moves in the second direction, wherein the chamber has a bottom and a beverage-dispensing conduit disposed in the bottom; the piston assembly moves away from the chamber bottom while moving in the first direction; and the piston assembly moves toward the chamber bottom while moving in the second direction.