Stoves and furnaces – Heaters – Surface
Patent
1977-01-06
1978-12-26
Sprague, Kenneth W.
Stoves and furnaces
Heaters
Surface
165171, 285189, 285DIG16, F24J 302
Patent
active
041311108
ABSTRACT:
A group of elongated, thin wall, black, PVC tube-like tanks extending horizontally and parallel to one another in an array. The tank ends are connected to fluid inlet and outlet manifolds. Rapid assembly of tanks and manifolds is facilitated by loose joints between tanks and tapered apertures in manifolds receiving tubular inlets and outlets on tanks. Also, the tubular/taper design makes an interference fit and sets up ideal conditions for liquid welding. Each tank has built in protection in the form of retained fluid in the event of failure of the pumping system.
REFERENCES:
patent: 3052228 (1962-09-01), Okuda
patent: 3277883 (1966-10-01), Rowekamp
patent: 3314414 (1967-04-01), Rowekamp
patent: 3744806 (1973-07-01), Keyser
patent: 3997195 (1976-12-01), Bartholomew
patent: 4038970 (1977-08-01), D'Ascoli et al.
patent: 4060070 (1977-11-01), Harter
patent: 4060072 (1977-11-01), Johnson
Olsson Frederick J.
Sprague Kenneth W.
Yeung James C.
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