Stoves and furnaces – Heaters – Surface
Patent
1976-10-12
1978-02-28
Sprague, Kenneth W.
Stoves and furnaces
Heaters
Surface
237 1A, F24J 302
Patent
active
040760260
ABSTRACT:
A solar heater for a liquid has a panel-like unit including a plurality of tubes lying in and defining a plane which panel unit includes an inlet header, an outlet header, and a connector header. A set of a plurality of relatively small diameter tubes connecting the inlet header to a length of the connector header, while a second set of relatively small diameter tubes connect another length of the connector header to the outlet header tube, and support means support the panel unit by slidably engaging the tubes of the two different sets of tubes to compensate for expansion and contraction of components of the panel unit.
REFERENCES:
patent: 1753227 (1930-04-01), Wheeler et al.
patent: 2208789 (1940-07-01), Cally
patent: 3227153 (1966-01-01), Godel et al.
patent: 3239000 (1966-03-01), Meagher
patent: 3859980 (1975-01-01), Crawford
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