BREW UNIT OF A COFFEE MACHINE, COFFEE MACHINE AND METHOD OF BREWING COFFEE

摘要

The invention relates to a brewing unit (31) of a coffee machine (16) with a brewing unit body (32) which has a receiving area (34), a brewing unit body filling opening (35) for coffee powder (14) and an opening (35) spaced from the brewing unit body Has dispensing opening (36), with an outlet part (42) which is arranged at one end (33) of the brewing unit body (32), with a sleeve cylinder (52) which has a sleeve cylinder filling opening (55) for coffee powder (14) and a Has piston receiving area (54) and is arranged in the receiving area (34) of the brewing unit body (32) so as to be movable relative to the brewing unit body (32), with a compression piston (62) which is in the piston receiving area (54) of the sleeve cylinder (52) relative to the The sleeve cylinder (52) is arranged to be movable, with a first motor (72) for driving the pressing piston (62), the drive of the pressing piston (62) being torque-controlled. The invention also relates to a coffee machine (16) and a coffee brewing method.