Lightweight reflective panels for solar-thermal power plants and

Details Lightweight reflective panels for solar-thermal power plants and Lightweight reflective panels for solar-thermal power plants and

1974-07-01

1976-05-25

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

93 1H, 126271, 156201, 156280, 156495, 156214, 156324, 428116, B31D 302

Patent

active

039590569

ABSTRACT:
An inexpensive, lightweight reflective panel for solar-thermal collector modules of the type including a parabolic reflector for reflecting incident solar radiation onto a fluid carrying conduit positioned along the focal axis of the reflector. A rigid, waterproof, honeycomb panel formed from paper and having a uniform thickness of parabolic shape supports a reflective material. Glass fiber cloth adhered to the outer panel surfaces adds to the panel's strength and rigidity. An adjustable support system suspends the reflective panel from the fluid carrying conduit and provides a means of adjusting panel curvature to precisely obtain the required parabolic shape.
Methods of forming the panels are described which permit the panels to be formed at or near the site of their installation to obviate shipping problems and expense. The methods include the steps of forming an expanded honeycomb core, conforming the core to the required parabolic shape, adhering sheets of skin material to top and bottom surfaces of the core, and adhering a reflective material to the top panel surface.

REFERENCES:
patent: 1946184 (1934-02-01), Abbot
patent: 2731379 (1956-01-01), Wheeler
patent: 2742387 (1956-04-01), Giuliani
patent: 2988809 (1961-06-01), Hall
patent: 3136674 (1964-06-01), Dunkle et al.
patent: 3286270 (1966-11-01), Kelly
patent: 3385726 (1968-05-01), Connor
patent: 3595216 (1971-07-01), Lanciault
patent: 3616140 (1971-10-01), Copeland et al.
patent: 3700522 (1972-10-01), Wonderly

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