Patent ID: 7322275

Claim:
Coffee machine for producing and dispensing coffee beverages, in particular an espresso machine, which has a housing in which are disposed at least one brewing device ( 6 ), a container ( 26 ) for coffee beans, a grinding device ( 25 ) connected to this container ( 26 ), a feed hopper ( 26 ) for feeding the ground coffee into a brewing chamber ( 5 ) of the brewing device ( 6 ), a stripper ( 28 ) for the leached ground coffee, at least one hot water boiler ( 2 ) having a fresh water supply line ( 1 ) and a hot water line ( 10 ) coming out into the brewing chamber ( 5 ) of the brewing device ( 6 ), a coffee dispensing nozzle ( 11 ) and a control unit ( 4 ) by means of which the dispensing of coffee is controllable, characterized in that between the hot water boiler ( 2 ) and the brewing chamber ( 5 ) a heating element ( 13 ) is disposed on the hot water line ( 10 ), with which element the water flowing from the hot water boiler ( 2 ) into the brewing chamber ( 5 ) is able to be brought to brewing temperature, and in that the hot water line ( 10 ), on which the heating element ( 13 ) is disposed, is equipped with means ( 9 , 18 ) for draining off the residual water, said heating element ( 13 ) comprising a body ( 14 ) composed of a material able to conduct heat, through which the hot water is able to be led, and in which a temperature-controllable heating ( 15 ) and a temperature sensor ( 16 ) are integrated, said heating element ( 13 ) being installed in the immediate vicinity of the brewing chamber ( 5 ) after a valve ( 9 ), with which the supply of warm water into the brewing chamber ( 5 ) is controllable for producing coffee and which is disposed in the hot water line ( 10 ), between the hot water boiler ( 2 ) and the brewing chamber ( 5 ).