Coffee machine comprising a frothing device and means for cleaning the frothing device and a milk suction line and process for rinsing the milk suction line
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United States of America Patent
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May 26, 2015
Grant Date -
Aug 11, 2011
app pub date -
Feb 4, 2011
filing date -
Feb 5, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A coffee machine comprises a frothing device, wherein an internal milk channel leading to a frothing chamber is provided into which opens a bypass air inlet for operable air supply to the frothing device. A flexible milk suction line connects the frothing device with a milk supply container. Means are provided for cleaning the frothing device and the milk suction line with rinsing water from a continuous-flow water heater of the coffee machine. A controlled valve arrangement is provided which feeds rinsing water from the continuous-flow water heater to the bypass air inlet of the frothing device. A milk suction end of the milk suction line is directly or indirectly, fluid-conductively connectable with a residual water pan of the coffee machine prior to feeding rinsing water to the bypass air inlet.
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