Stoves and furnaces – Liquid heater – Open-top vessel that may include lid
Patent
1993-07-19
1994-08-30
Jones, Larry
Stoves and furnaces
Liquid heater
Open-top vessel that may include lid
165157, 122 16, 122 17, 126344, 126390, F24H 100, F22B 500
Patent
active
053417976
ABSTRACT:
In a liquid heating apparatus according to the present apparatus, an external drum comprising a dual wall is provided in a water tank, the external drum has a combustion gas distribution chamber formed in the dual wall, an internal drum having a combustion chamber is provided therein and a partitioned water chamber is formed therebetween, an upper communicating tube penetrating the external drum and communicating to inside of the water tank and a lower communicating tube communicating the lower section of the partitioned water chamber to the base of the water tank are provided in the upper and lower sections of the partitioned water chamber respectively, a draft tube communicating a combustion chamber to a combustion gas distribution chamber is provided in the upper section of the partitioned water chamber, an exhaust tube opened to the outside of the water tank is provided in the lower section of the external drum, and a combustor support cylinder penetrating the external drum and the partitioned water chamber and thrusting from the side wall of the internal drum to outside of the water tank is provided.
REFERENCES:
patent: 3717748 (1973-02-01), Imler
patent: 4424768 (1984-01-01), Testa
patent: 4632066 (1986-12-01), Kideys
patent: 4790268 (1988-12-01), Eising
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