Abstract: The present invention relates to a frothing device for the frothing of milk, comprising a steam supply channel which opens into a mixing chamber, a milk supply channel which opens into the mixing chamber and comprising an air supply channel, wherein the mixing chamber is connected in communication with a froth chamber. It is essential to the invention that the air supply channel opens into the froth chamber, with the result that an almost identical dispensing temperature of milk froth and milk can be achieved.

Abstract: The invention relates to a coffee percolating machine comprising a housing including coffee meal and hot water supply means, an outlet opening for the coffee brew, and a discharge opening for the exhausted coffee meal, at least one brewing cylinder having an open inlet end and mounted in the housing for rotation about an axis perpendicular to its longitudinal axis from a coffee meal charging position to a brewing position and on to a discharge position for discharging the exhausted coffee meal, and a piston disposed in the brewing cylinder for axial displacement therein in response to the position assumed thereby.