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특허 상세정보

Espresso coffee machine control system displaying boiler temperature and pressure

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H05B-001/02    A47J-031/30    A47J-031/56    F24H-001/20   
미국특허분류(USC) 219/308; 099/281; 099/285; 099/293; 099/302.R; 219/272; 219/297; 219/331; 219/506
출원번호 US-0598686 (1984-04-10)
우선권정보 IT-21543 (1983-04-14)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Birch, Stewart, Kolasch & Birch
인용정보 피인용 횟수 : 51  인용 특허 : 1
초록

An espresso coffee machine having a boiler provided with an electric resistance heater is fitted with a temperature transducer of the negative temperature coefficient (NTC) resistance type producing an output signal indicative of the boiler temperature. A comparator unit is fed the output signal and compares the signal with the extreme values of a temperature range to control activation and deactivation of the heater. A first display device fed by the output signal continuously displays the boiler water temperature. The output signal is also continuously...

대표
청구항

1. In an espresso coffee machine of the type having a boiler and heating means associated with the boiler for heating the water contained in the boiler, the improvement comprising a temperature transducer fitted within the boiler and providing a temperature output signal, said transducer being a negative temperature coefficient type (NTC) resistance, activating means responsive to said output signal for activating said heating means, said means for activating the heating means including a comparator unit fed by the said temperature output signal and with...

이 특허를 인용한 특허 피인용횟수: 51

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