Coffee machine having a brewing device and having a coffee post-heater arranged downstream of the brewing device

1. A coffee machine for preparing a brewed coffee beverage and for dispensing the brewed coffee beverage via at least one coffee outlet, which encompasses:

a brewing device for preparing the brewed coffee beverage by brewing a predefined amount of coffee in pressurized brewing water, said brewing device comprises a brewing unit having a brewing chamber for accommodating the predefined amount of coffee, a brewing water supply line, which is connected to the brewing unit and which opens into the brewing chamber, for feeding the brewing water into the brewing chamber, and a device for introducing the brewing water into the brewing chamber,

said device for introducing the brewing water is designed to introduce the brewing water into the brewing chamber under pressure through the brewing water supply line,

wherein the brewing chamber encompasses an outlet for the brewed coffee beverage, and the brewing device comprises a coffee dispensing line, said coffee dispensing line forms a continuous fluid connection for the brewed coffee beverage between the outlet of the brewing chamber and the coffee outlet,

wherein the coffee dispensing line encompasses a first end, which is connected to the outlet of the brewing chamber, and which comprises an inlet for accommodating the brewed coffee beverage, which is in fluid connection with the outlet of the brewing chamber, and encompasses a second end, which comprises an outlet, which is in fluid connection with the coffee outlet, for dispensing the brewed coffee beverage,

wherein the brewing device encompasses a coffee post-heater for post-heating the respective brewed coffee beverage in the coffee dispensing line, wherein the coffee post-heater is arranged between the outlet of the brewing chamber and the coffee outlet, and is designed as a flow-through heater for heating the brewed coffee beverage while the brewed coffee beverage flows through the coffee dispensing line,

wherein the brewing device further encompasses at least one of: at least one device for identifying a water supply to the brewing unit or at least one device for identifying a coffee beverage supply into the coffee dispensing line,

wherein the brewing device further encompasses a control unit, which is connected to at least one of: the at least one device for identifying a water supply to the brewing unit or the at least one device for identifying a coffee beverage supply into the coffee dispensing line, and

wherein the control unit is designed to start up the coffee post-heater when it is identified that water is fed to the brewing unit, or

wherein the control unit is designed to start up the coffee post-heater when it is, identified that a coffee beverage is fed to the coffee dispensing line.

2. The coffee machine according to claim 1 , wherein the control unit is designed to start up the coffee post-heater when it is identified that the supply of water to the brewing unit or the supply of a coffee beverage into the coffee dispensing line has ended.

3. The coffee machine according to claim 1 , comprising a preselection means for preselecting a setpoint value of the temperature of a coffee beverage, which is dispensed from the coffee dispensing line, wherein the respective preselected setpoint value can be changed within a predefined temperature range by means of the preselection means and the coffee post-heater can be controlled by means of the control unit as a function of the respective preselected setpoint value.

4. The coffee machine according to claim 1 , having one or a plurality of temperature sensors for providing a measuring value for a temperature of the coffee dispensing line, wherein the coffee post-heater can be controlled by means of the control unit as a function of the respective provided measuring value for the respective temperature of the dispensing line.

5. The coffee machine according to claim 4 , wherein at least one of the respective temperature sensors is arranged on an end area of the coffee dispensing line on the dispensing side, or on an area of the coffee dispensing line between the coffee post-heater and the end area of the coffee dispensing line on the dispensing side or on the coffee post-heater.

6. The coffee machine according to claim 1 , wherein the coffee post-heater encompasses a coffee supply connection and a coffee dispensing connection as well as a heating element having at least one power connection, and wherein the coffee supply connection and the coffee dispensing connection in each case open into opposite ends of a tube, which runs adjacent to the heating element.

7. The coffee machine according to claim 6 , wherein the tube is at least one of fixedly connected, fused, or adhered at least area by area to the heating element, which runs adjacent thereto.

8. The coffee machine according to claim 6 , wherein the coffee post-heater further encompasses a housing made of a heat-conducting material, wherein the housing is designed such that the heat-conducting material of the housing surrounds the tube and the heating element at least area by area.

9. The coffee machine according to claim 6 , wherein the tube consists of chromium steel or of aluminium.

10. The coffee machine according to claim 6 , wherein the heating element is a ceramic thick film heater or a PTC heating resistor.

11. The coffee machine according to claim 1 , which encompasses a water tank, a brewing water heater, a pump, a drain valve and a coffee dispensing device, wherein the brewing water supply line of the brewing device is connected to the pump and the end area of the coffee dispensing line on the dispensing side is connected to the coffee dispensing device.

12. A coffee machine for preparing a brewed coffee beverage and for dispensing the brewed coffee beverage via at least one coffee outlet, which encompasses:

a brewing device for preparing the brewed coffee beverage by brewing a predefined amount of coffee in pressurized brewing water, said brewing device comprises a brewing unit having a brewing chamber for accommodating the predefined amount of coffee, a brewing water supply line, which is connected to the brewing unit and which opens into the brewing chamber, for feeding the brewing water into the brewing chamber, and a device for introducing the brewing water into the brewing chamber,

said device for introducing the brewing water is designed to introduce the brewing water into the brewing chamber under pressure through the brewing water supply line,

wherein the brewing chamber encompasses an outlet for the brewed coffee beverage, and the brewing device comprises a coffee dispensing line, said coffee dispensing line forms a continuous fluid connection for the brewed coffee beverage between the outlet of the brewing chamber and the coffee outlet,

wherein the coffee dispensing line encompasses a first end, which is connected to the outlet of the brewing chamber, and which comprises an inlet for accommodating the brewed coffee beverage, which is in fluid connection with the outlet of the brewing chamber, and encompasses a second end, which comprises an outlet, which is in fluid connection with the coffee outlet, for dispensing the brewed coffee beverage,

wherein the brewing device encompasses a coffee post-heater for post-heating the respective brewed coffee beverage in the coffee dispensing line, wherein the coffee post-heater is arranged between the outlet of the brewing chamber and the coffee outlet, and is designed as a flow-through heater for heating the brewed coffee beverage while the brewed coffee beverage flows through the coffee dispensing line,

wherein the brewing device further encompasses at least one of: at least one device for identifying a water supply to the brewing unit or at least one device for identifying a coffee beverage supply into the coffee dispensing line, and

wherein the brewing device further encompasses a control unit, which is connected to at least one of: the at least one device for identifying a water supply to the brewing unit or the at least one device for identifying a coffee beverage supply into the coffee dispensing line, wherein the control unit is designed to start up the coffee post-heater when it is identified that the supply of water to the brewing unit or the supply of a coffee beverage into the coffee dispensing line has ended.

13. The coffee machine according to claim 12 ,

wherein the control unit is designed to start up the coffee post-heater when it is identified that water is fed to the brewing unit, or

wherein the control unit is designed to start up the coffee post-heater when it is identified that a coffee beverage is fed to the coffee dispensing line.