Espresso coffee machine

Abstract

It is disclosed an espresso coffee machine, which comprises a temperature regulation system that includes a water storage vessel, in direct flow connection with a water heater of thermoblock type. The water heater of thermoblock type is at a first warming temperature and contains inside a coil through which the water flows at room temperature coming from the water storage vessel. When the water flows at room temperature through the coil the temperature is raised up to an initial warming temperature, producing steam in this way, to reduce later its temperature from the initial warming temperature up to the final extraction temperature. Said temperature regulation system includes besides a temperature sensor which measures the temperature inside the water heater of thermoblock type; an outlet or relief valve disposed between the water heater or thermoblock type and the water/steam vessel which releases the very hot water and/or the water steam obtained from the thermoblock when the water is at an initial warming temperature; an electronic controller or electronic card disposed behind the thermoblock and whose function is to allow that the temperature sensor measures the temperature inside the water heater and allow that the outlet or relief valve changes from a closed position to an opened position and vice versa, and a water/steam collector vessel which receives the water and/or steam coming from the water heater when the outlet or relief valve is in an opened position.

Dependencies are inferred from the claim text.