| 摘要 |
<p>A hydraulic circuit (1) for use on machines for making beverages includes a pump (3), a boiler (4) and an infusion chamber (5), the pump (3) being arranged so as to pressurize a liquid contained in a section of the circuit between the pump (3) and the infusion chamber (5) and including boiler (4). The circuit includes a depressurizing device (10) to allow a portion of the liquid to be discharged outside the section on liquid depressurization, the depressurizing device (10) being arranged so that the portion of the liquid does not come into contact with the boiler (4) when pressurizing the liquid.</p> |
