Solar energy collector

Details Solar energy collector Solar energy collector

1977-10-03

1978-09-12

Sprague, Kenneth W.

Stoves and furnaces

Heaters

Surface

165171, F24J 302

Patent

active

041129229

ABSTRACT:
A solar energy collector for use primarily in a closed-loop system has a fluid conduit of serpentine configuration which comprises a plurality of relatively thin extruded aluminum tubes, each tube having a flat top and bottom wall and lateral flat lips or flanges extending longitudinally along opposite sides thereof and coplanar with the bottom wall forming therewith a flat base for the tubes, the flanges providing means for joining the tubes by welding in an array in side by side abutment relation. Sections are formed from the flat tubing as connecting headers which are welded at both ends to pairs of adjacent tubes in staggered relation to form the continuous serpentine path for the heat transferring fluid. The flat, tubular array has a black anodized surface and is enclosed in a weather-proof glass covered, polyurethane insulated frame, which is assembled from a flanged tubular extrusion providing the frame with a stepped interior facing structure mounting the glass cover, tubular array and insulation in a rugged, compact and efficient unit.

REFERENCES:
patent: 1837449 (1931-12-01), Kunz
patent: 1888620 (1932-11-01), Clark
patent: 2553302 (1951-05-01), Cornwall
patent: 2594232 (1952-04-01), Stockstill
patent: 3039453 (1962-06-01), Andrassy
patent: 4062351 (1977-12-01), Hastwell

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