Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Patent
1985-05-06
1986-05-20
Favors, Edward G.
Liquid heaters and vaporizers
Stand boiler
And condition responsive feature
122250R, 122367C, F22B 500
Patent
active
045893748
ABSTRACT:
A heat exchanger is formed of a pair of concentrically arranged cylindrical shells, closed at each end to define a chamber through which water can pass. A combustion element extends into the inner shell from one end along the axis thereof and is connected to a source of heat such as a gas/air mixture which ignites in the combustion element causing the radiation of heat outwardly from the combustion element. The inner shell is formed of a corrugated wall which may be formed as a single corrugation comprising a continuous helix along the length thereof or a plurality of undulations extending along the length of the cylinder.
REFERENCES:
patent: 544152 (1895-08-01), De Benjumea
patent: 4442799 (1984-04-01), Craig et al.
patent: 4449485 (1984-05-01), Tan
Favors Edward G.
Thermocatalytic Corp.
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