|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||99/302R ; 99/295|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 11 인용 특허 : 1|
An apparatus for preparing hot beverages includes a water reservoir, a flowmeter, a pump and a heating unit connected in series by piping. A non-return valve is positioned in an exit water outlet of the heating unit. A branch return pipe having an electro-valve positioned therein is connected to the piping between the heating unit and the pump and terminates in the reservoir.
An apparatus for supplying and heating a quantity of water for preparing beverages comprising: a water reservoir which is connected, in series by piping, to a flowmeter, which is connected by the piping to a pump, which is connected by the piping to a heating unit; a non-return valve positioned in an exit water outlet of the heating unit; a branch return pipe connected to the piping between the heating unit and the pump and terminating in the reservoir; and an electro-valve positioned in the return pipe.