Add-on boiler

Details Add-on boiler Add-on boiler

1983-05-19

1984-06-26

Yuen, Henry C.

Liquid heaters and vaporizers

Subsidiary

165DIG2, 122 14, F22B 3300, F28F 700

Patent

active

044559704

ABSTRACT:
Disclosed is an add-on boiler that has an insulated cover covering a housing that carries a finned heat-recovery coil. The add-on boiler is mounted on the casing of a heating device to heat water in the coil with heat transferred by conduction and radiation. The insulated cover maintains the heated water in the coil at a high temperature to prevent the internal operating temperature of the heating device from dropping below the critical temperature at which creosote forms from the flue gases.

REFERENCES:
patent: 876868 (1908-01-01), Dunn et al.
patent: 1029300 (1912-06-01), Jones
patent: 1564621 (1925-12-01), Powers
patent: 1609858 (1926-12-01), Bohon
patent: 1991557 (1935-02-01), Johnson
patent: 2035341 (1936-03-01), Radloff
patent: 2566327 (1951-09-01), Hallock
patent: 3499423 (1970-03-01), Phlaum
patent: 4327670 (1982-05-01), Teller
patent: 4390060 (1983-06-01), Reinke et al.

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