Espresso apparatus with improved heating of the brew head and boiler
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United States of America Patent
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-
Sep 3, 1996
Grant Date -
N/A
app pub date -
May 15, 1995
filing date -
May 15, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An espresso apparatus having a brew head which is in liquid communication with a heat exchanger that is positioned within a boiler and a secondary heater for supplng additional heat to the water in the boiler, the second heater being turned off when the pump supplying water to the heat exchanger is on. The brew head has a thermostat component and an electric heating element positioned about the brew head infusion chamber. The thermostat component is independent of the heater coil in the boiler, set at a predetermined temperature level, and is responsive to changes in the temperature of the brew head and appropriately opens or closes the circuit connected to the electric heating element.
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