Method of controlling the water temperature in a beverage-brewing apparatus
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United States of America Patent
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Jun 17, 1997
Grant Date -
N/A
app pub date -
Aug 18, 1995
filing date -
Sep 30, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is directed to a method of controlling the water temperature in a beverage-brewing apparatus, wherein the water is initially heated in an open water reservoir up to the boiling point, said boiling point being reached in that the water is heated from the initial temperature T.sub.i up to a temperature T.sub.HIGH at which it is ensured that the water does not boil as yet under conventional environmental conditions, in that the rate of change of the temperature dT/dt during heating from the initial temperature T.sub.i to the temperature T.sub.HIGH is determined, in that on reaching the temperature T.sub.HIGH a period of time t.sub.heiz is determined from the difference between 100.degree. C. and T.sub.HIGH as well as from the rate of change of the temperature dT/dt, and in that on reaching the temperature T.sub.HIGH the water continues to be heated during the period of time t.sub.heiz. The temperature T.sub.HIGH is 75.degree. C., approximately.
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