Patent ID: 6161469
Filing Date: 2000-12-19
Classification: A47J

Abstract:
An espresso machine having a boiler (1) and at least one coffee brewing unit, as well as at least one hot water and/or steam dispenser nozzle (10), in which machine water in the boiler (1) is superheated and kept at a temperature (above 100.degree. C.) for producing steam to be supplied to the dispenser nozzle (10), and which superheated water is mixed with cold water at a mixing station (12) preferably provided in the upper part of the boiler, to obtain hot water having a lower temperature (below 100.degree. C.), to be supplied to the coffee brewing unit (13) and to the dispenser nozzle (10), a pump (3) being provided to draw cold water from a tank (2) and to transfer it to the boiler (1) through a first feed pipe (4), branching from the pump delivery pipe, and--through a second feed pipe (11) branching from the pump delivery pipe--to said mixing station (12), which communicates with the upper part of the boiler (1) through a steam or superheated water drawing pipe (8), with the dispenser nozzle (10) through a delivery pipe (9), and with said at least one coffee brewing unit (13), characterized in that, particularly for home machines, the at least one coffee brewing unit (13) is disposed under the boiler (1) and is preferably attached to the lower side thereof, whereas the mixing station (12) is connected to the coffee brewing unit (13) through a feed pipe (14) which extends at least partly inside the boiler (1).