| 摘要 |
The brewing device (10) for coffee comprises a brewing unit (11) for the brewing of coffee, a crema valve (21) and a coffee outlet (31), wherein the brewing unit (11), the crema valve (21) and the coffee outlet (31) are connected with one another in such a manner that in the brewing unit (11) brewed coffee can be directed through the crema valve (21) to the coffee outlet (31) and the crema valve (21) is designed in such a manner that the brewed coffee can be swirled through in a crema chamber (21) of the crema valve (21) so that a crema (42) is created. Furthermore, the brewing device (10) comprises an injection device (27) for injecting a gas into the crema chamber (20) and a dosing device ( 37) for dosing the quantity of the gas injected into the crema chamber (20) which is designed in such a manner that with each injection of the gas a preset quantity of the gas is injected in each case, wherein the preset quantity of the gas is a parameter that can be changed.
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