BREWER WITH COMPACTING FORCE ACTIVATION

摘要

An extraction assembly for use in an automatic espresso brewer that includes components and methods for controllably extracting espresso beverage from a quantity of brewing substance. The brewing substance Is compacted between a pair of opposing pistons, and the ompacting force is monitored through at least one sensor carried on the extraction assembly to provide a signal to a controller. A predetermined compacting force may be programmed into the system. The pair of pistons operates relative to a brew chamber for. use in the espresso extraction process. The pistons provide compacting force within the chamber and facilitate removal of a spent brewing substance puck at the end of the brewing cycle. Compacting force is monitored at the start of the brewing process and a predetermined force is required before the brewing process can be started. During the brewing process compacting force can be maintained and controllably adjusted.