Abstract: A brewing device for preparing a hot beverage includes: a hot water supply device with a hot water outlet; a brewing unit that receives hot water from the supply device and dispenses brewed hot beverage through a fluid outlet line into a hot beverage outlet; a hot water bypass line; a controllable hot water switching device temporarily connecting the bypass line to the hot water outlet, the hot water supplied into the bypass line being dispensable into the hot beverage outlet; and a control unit controlling the hot water switching device. The hot beverage outlet includes a hot beverage dispensing line, the fluid outlet line and the bypass line opening into the hot beverage dispensing line downstream of the brewing unit and the hot water switching device, respectively, to dispense by the hot beverage dispensing line the brewed hot beverage and the hot water supplied into the bypass line.

Abstract: The invention relates to a device (100) for providing liquid for a beverage machine (110), comprising a water tank (10) having at least one water inlet (11) which can be connected in a controllable manner to a water connection in order to fill the water tank (10), a control device (30) for controlling the water inlet (11) that can be connected in a controllable manner, and at least one filling level sensor (41, 42) for generating a signal which indicates at least whether or not a first filling level of liquid inside the water tank (10) has been reached or exceeded.

Abstract: A hot fluid preparation unit for a fully automatic coffee machine is specified. With the goal of reducing the heating-up time of a fluid, the solution according to the invention provides that the hot fluid preparation unit has a temperature control device, a fluid heating arrangement, a rectifier circuit and a power semiconductor switching device. The rectifier circuit is connected at an input of the rectifier circuit to an AC voltage supply and at an output of the rectifier circuit, via the power semiconductor switching device, to the fluid heating arrangement. The power semiconductor switching device is designed in a controllable manner such that it selectively switches through the output of the rectifier circuit to the fluid heating arrangement. The temperature control device is configured to control the power semiconductor switching device in a pulsed manner, in order thus to perform a temperature adjustment.

Abstract: A combination unit comprising a beverage preparation machine (62) and a separate milk chilling device (10) for storing a volume (16) of milk in a chilled state. The beverage preparation machine (62) comprises a control electronics system (63) and a milk dispensing apparatus (64) for dispensing milk and/or milk froth. The milk chilling device (10) comprises a housing (11), a milk container (14), which is arranged in the housing (11), for accommodating the volume (16) of milk, a chilling unit (18) for chilling the volume (16) of milk, and a milk lance for removing milk from the milk container (14).

Abstract: Provided is a drink preparation machine with an outer housing, which contains at least one ventilation element for ventilating an interior which is enclosed by the outer housing. In order to reduce the likelihood of penetration by dust, water and/or small objects, to allow simple and quick cleaning with reduced use of detergents and to achieve energy-saving operation of the drink preparation machine, the at least one ventilation element can be actuated to open and close.

Abstract: The brewing device for creating a coffee beverage has a brewing unit having a brewing chamber, a crema unit having a crema chamber connected to the brewing chamber by means of a coffee passage and having a valve piston for opening and/or closing the coffee passage, which valve piston can be moved in the crema chamber relative to the coffee passage, and an outlet opening. The valve piston can be moved into a plurality of different specified movement positions relative to the coffee passage, wherein different consecutive brewing processes for creating different coffee beverages can be realized, and wherein the crema unit is designed in such a way that coffee brewed during a particular brewing process can be swirled through at different intensity than a different brewing process depending on the particular specified movement position of the valve piston.

Abstract: The invention relates to a method for dispensing milk portions in drink preparation machines having a milk fill level monitoring unit for a milk container. According to the method, one delivery of a milk portion from the milk container, said delivery being controlled by a device control electronic system, is only carried out completely and with a sufficient quantity of milk when during the delivery of the milk portion, the milk fill level monitoring unit signals a drop in the fill level of the milk below a threshold value.

Abstract: Provided are methods for automatically producing milk froth in a milk-frothing apparatus, and also a milk-frothing apparatus for automatically producing milk froth. The milk-frothing apparatus has at least one hollow space, a steam-inlet channel for introducing steam into the hollow space, a milk-inlet channel for introducing milk into the hollow space, an air-inlet channel for introducing air into the hollow space, and an outlet channel for discharging milk froth from the milk-frothing apparatus, wherein the respective channels each issue directly or indirectly into the hollow space.

Abstract: A hot fluid preparation unit for a fully automatic coffee machine is specified. With the goal of reducing the heating-up time of a fluid, the solution according to the invention provides that the hot fluid preparation unit has a temperature control device, a fluid heating arrangement, a rectifier circuit and a power semiconductor switching device. The rectifier circuit is connected at an input of the rectifier circuit to an AC voltage supply and at an output of the rectifier circuit, via the power semiconductor switching device, to the fluid heating arrangement. The power semiconductor switching device is designed in a controllable manner such that it selectively switches through the output of the rectifier circuit to the fluid heating arrangement. The temperature control device is configured to control the power semiconductor switching device in a pulsed manner, in order thus to perform a temperature adjustment.

Abstract: The invention relates to a device (100) for providing liquid for a beverage machine (110), comprising a water tank (10) having at least one water inlet (11) which can be connected in a controllable manner to a water connection in order to fill the water tank (10), a control device (30) for controlling the water inlet (11) that can be connected in a controllable manner, and at least one filling level sensor (41, 42) for generating a signal which indicates at least whether or not a first filling level of liquid inside the water tank (10) has been reached or exceeded.

Abstract: A beverage preparation machine is electrically operated and has a control unit, at least one functional unit, and an electric circuit for supplying the functional unit and the control unit with current. The electric circuit has a switch for switching the current on or off, through respective first and second operations of an operating element. The switch has a first switch contact and a second switch contact, which are connected in parallel in the electric circuit. The first switch contact is brought into a closed state by the first operation of the operating element, and assumes an open state after the second operation. The control unit provides a control signal so that the second switch contact is closed after the first operation of the switch and opened after the second operation of the switch.

Abstract: The invention relates to a method for dispensing milk portions in drink preparation machines having a milk fill level monitoring unit for a milk container. According to the method, one delivery of a milk portion from the milk container, said delivery being controlled by a device control electronic system, is only carried out completely and with a sufficient quantity of milk when during the delivery of the milk portion, the milk fill level monitoring unit signals a drop in the fill level of the milk below a threshold value.

Abstract: The invention relates to a method for dispensing milk portions in drink preparation machines having a milk fill level monitoring unit for a milk container. According to the method, one delivery of a milk portion from the milk container, said delivery being controlled by a device control electronic system, is only carried out completely and with a sufficient quantity of milk when during the delivery of the milk portion, the milk fill level monitoring unit signals a drop in the fill level of the milk below a threshold value.

Abstract: A beverage preparation machine is electrically operated and has a control unit, at least one functional unit, and an electric circuit for supplying the functional unit and the control unit with current. The electric circuit has a switch for switching the current on or off, through respective first and second operations of an operating element. The switch has a first switch contact and a second switch contact, which are connected in parallel in the electric circuit. The first switch contact is brought into a closed state by the first operation of the operating element, and assumes an open state after the second operation. The control unit provides a control signal so that the second switch contact is closed after the first operation of the switch and opened after the second operation of the switch.

Abstract: A beverage preparation machine has at least one pinch valve (1) in the fluid line system, wherein the pinch valve (1) has at least two fluid passage lines (20, 21) and is designed to execute valve and/or control functions on the fluid passage lines (20, 21). The operating mechanism of the pinch valve (1) is set up for coupled activation of the valve and/or control functions and a drive with a stepper motor (25) is provided.

Abstract: A beverage preparation machine is electrically operated and has a control unit, at least one functional unit, and an electric circuit for supplying the functional unit and the control unit with current. The electric circuit has a switch for switching the current on or off, through respective first and second operations of an operating element. The switch has a first switch contact and a second switch contact, which are connected in parallel in the electric circuit. The first switch contact is brought into a closed state by the first operation of the operating element, and assumes an open state after the second operation. The control unit provides a control signal so that the second switch contact is closed after the first operation of the switch and opened after the second operation of the switch.

Abstract: The invention relates to a beverage preparation machine comprising an apparatus for frothing or heating milk, which apparatus is connected via a milk suction hose to a milk container, and a cleaning apparatus for cleaning the milk suction hose and the apparatus for frothing or heating milk by means of a flushing fluid. The milk can be sucked from the milk container into the apparatus for frothing or heating milk by means of a vacuum which can be generated in the apparatus for frothing or heating milk.

Abstract: The brewing device for creating a coffee beverage has a brewing unit having a brewing chamber, a crema unit having a crema chamber connected to the brewing chamber by means of a coffee passage and having a valve piston for opening and/or closing the coffee passage, which valve piston can be moved in the crema chamber relative to the coffee passage, and an outlet opening. The valve piston can be moved into a plurality of different specified movement positions relative to the coffee passage, wherein different consecutive brewing processes for creating different coffee beverages can be realized, and wherein the crema unit is designed in such a way that coffee brewed during a particular brewing process can be swirled through at different intensity than a different brewing process depending on the particular specified movement position of the valve piston.

Abstract: Provided are methods for automatically producing milk froth in a milk-frothing apparatus, and also a milk-frothing apparatus for automatically producing milk froth. The milk-frothing apparatus has at least one hollow space, a steam-inlet channel for introducing steam into the hollow space, a milk-inlet channel for introducing milk into the hollow space, an air-inlet channel for introducing air into the hollow space, and an outlet channel for discharging milk froth from the milk-frothing apparatus, wherein the respective channels each issue directly or indirectly into the hollow space.

Abstract: A combination unit comprising a beverage preparation machine (62) and a separate milk chilling device (10) for storing a volume (16) of milk in a chilled state. The beverage preparation machine (62) comprises a control electronics system (63) and a milk dispensing apparatus (64) for dispensing milk and/or milk froth. The milk chilling device (10) comprises a housing (11), a milk container (14), which is arranged in the housing (11), for accommodating the volume (16) of milk, a chilling unit (18) for chilling the volume (16) of milk, and a milk lance for removing milk from the milk container (14).