Coffee machine with dispensing pressure regulation
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United States of America Patent
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-
Nov 21, 2017
Issued Date -
N/A
app pub date -
Jun 3, 2016
filing date -
Oct 23, 2009
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A coffee machine for producing and dispensing coffee-based beverages is disclosed, including a hydraulic pump and at least one dispensing device comprising a filter unit apt to contain ground coffee. A hydraulic circuit brings the hydraulic pump into fluid communication with a supply unit of the dispensing device. The hydraulic circuit includes a supply duct which supplies hot water under pressure to the supply unit. A system for controlling the dispensing pressure includes a control unit, a pressure sensor, and a hydraulic variable-flow valve. The variable-flow valve is actuated by an electronic drive controlled electronically by the control unit in order to regulate the flow rate of water output as a function of a detected dispensing pressure value.
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