Liquid heaters and vaporizers – Flue – Horizontal
Patent
1993-08-12
1995-01-31
Favors, Edward G.
Liquid heaters and vaporizers
Flue
Horizontal
122160, 165 81, F22B 700
Patent
active
053851200
ABSTRACT:
A fluid heater or boiler is disclosed which has a fire tube or combustion chamber surrounded by a reservoir containing a fluid to be heated. The combustion chamber is defined by an inner shell and the reservoir is defined by an outer shell. The inner and outer shells are joined by one or more flue tubes which are thermally expandable along the axes connecting their points of attachments to the inner and outer shells. The heater is constructed so that the inner shell is deflected relative to the outer shell, when the flue tubes or inner shell expand or contract, thus accommodating the thermal expansion. The flue tubes may optionally be adapted to flex perpendicularly to their axes, as well as deflecting the inner shell, to accommodate thermal expansion. The inner shell may also be suspended within the outer shell by the flue tubes connecting the inner and outer shells.
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Keuper Edward F.
Plzak William J.
Favors Edward G.
Gas Research Institute
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