Automatic percolator unit for the instantaneous preparation of hot beverages, particularly coffee, in variable amountsIn an automatic percolator unit means are provided for selectively adjusting the axial position of a percolator piston (14) relative to an actuator lever (36) to thereby vary the ...
Ground coffee (21) is loaded into receptacle (2). Vibrator (22) ensures granules fall freely into control valve (3), delivering (52) measured quantities on demand to espresso percolator (5). Latter is simultaneously supplied with hot water (51) under pressure through control valve (4), and...