Pressure relief system for espresso maker
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United States of America Patent
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Jan 3, 2017
Grant Date -
Jan 29, 2015
app pub date -
Oct 6, 2014
filing date -
Mar 25, 2011
priority date (Note) -
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Abstract
A brewing system for brewing a beverage is disclosed having an inlet for receiving fresh water for brewing, and a first solenoid for directing water to a water storage tank when a level in the water storage tank falls below a predetermined level. A pair of pumps direct water from the storage tank to a second solenoid. Two or more brew paths lead away from the second solenoid, each brew path including a heating element to heat the water flowing therethrough. The second prevents overpressurization in the brew paths by routing excess pressurized water from the respective brew path back through the second solenoid and out a drain line leading to a drain, where the path to the drain is not part of the brew path.
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