Espresso coffee machine with a brewing unit
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United States of America Patent
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Mar 31, 2015
Grant Date -
Jan 17, 2013
app pub date -
Jul 10, 2012
filing date -
Jul 11, 2011
priority date (Note) -
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Abstract
A brewing unit (1) of an espresso coffee machine including a brewing chamber (25) and at least one spring-loaded pressure valve (16) which is flow-technically arranged between the brewing chamber (25) and a coffee beverage outlet and which opens when the brewing chamber pressure exceeds a structurally predetermined value. In order to produce by means of the coffee machine one kind of coffee beverage selected from at least two kinds of coffee beverages, an atmospheric coffee beverage bypass channel (21) flow-wisely disposed in parallel relative to the pressure valve (16) between the brewing chamber (25) and the coffee beverage outlet (23) may be locked depending on the kind of coffee beverage selected.
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