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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0858386 (1992-03-25) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 26 인용 특허 : 0 |
A multiple boiler has at least two separate heating systems incorporated therein. Whereas boilers with two heating supplies have been known, they have been complicated systems that require heating to occur outside a water tank. The multiple boiler has an insulated water tank with a heater to heat th
A multiple boiler comprising: an insulated water tank having a water tank inlet and a water tank outlet; heating means to heat the water in the tank without circulating water outside the tank, and at least two circulating coils in the tank, each of the coils having an inflow and an outflow, the circ
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