Self-jigging method of fabricating solar collector heat trap fro

Details Self-jigging method of fabricating solar collector heat trap fro Self-jigging method of fabricating solar collector heat trap fro

1976-01-26

1978-01-17

Lanham, C.W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

126271, 165166, B23P 1526

Patent

active

040683613

ABSTRACT:
A solar energy collector of low cost and high thermal efficiency is disclosed having a heat trap produced by zigzagging a thin strip of polyethylene terephthalate between opposite sides of the trap while wrapping the strip about rows of dowels positioned at opposite sides of the frame of the solar collector. A window of soda lime glass filters UV radiation to inhibit discoloration of the plastic heat trap walls. An absorber plate having fluid pipes therein is positioned underneath the heat trap and a first layer of fiberglass, and a second layer of polyurethane foam are positioned below the absorber plate. The fiberglass layer prevents overheating of the polyurethane foam layer to in turn inhibit the formation of toxic fluids, which may condense upon the underside of the window to reduce the efficiency of the collector.

REFERENCES:
patent: 695136 (1902-03-01), Baker
patent: 1932950 (1933-10-01), Annis
patent: 3426176 (1969-02-01), Simon
patent: 3841738 (1974-10-01), Caplan

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