Method of making solar collectors by in-situ encapsulation of so

Details Method of making solar collectors by in-situ encapsulation of so Method of making solar collectors by in-situ encapsulation of so

1999-08-27

2000-10-24

Cuda, J.

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

B23P 1526

Patent

active

061347841

ABSTRACT:
A method of making solar collectors by encapsulating photovoltaic cells within a base of an elongated solar collector wherein heat and pressure are applied to the cells in-situ, after an encapsulating material has been applied. A tool is fashioned having a bladder expandable under gas pressure, filling a region of the collector where the cells are mounted. At the same time, negative pressure is applied outside of the bladder, enhancing its expansion. The bladder presses against a platen which contacts the encapsulated cells, causing outgassing of the encapsulant, while heat cures the encapsulant. After curing, the bladder is deflated and the tool may be removed from the collector and base and reflective panels put into place, if not already there, thereby allowing the solar collector to be ready for use.

REFERENCES:
patent: 4290838 (1981-09-01), Reavill et al.
patent: 5593532 (1997-01-01), Falk et al.

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