Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1977-10-03
1979-10-23
Sprague, Kenneth W.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
350202, 350288, 126440, 126442, F24J 302
Patent
active
041716957
ABSTRACT:
A solar energy concentrator comprising a cylindrical Fresnel lens, a specially shaped and positioned reflecting mirror, and a shaped tubular receptor for conveying the collected energy to terminals is described. These concentrators are arrayed parallel and contiguous to each other and oriented generally along an East-West line to receive the sun's radiant energy, and the lenses together with the special reflectors and designed to accomodate large elevation angle variations of the sun. The large acceptance angles achieved with the image collapsing concentrator, while at the same time maintaining a high concentration ratio, improves the reception of diffused as well as direct sunlight and the small surface area of receiving tubes diminishes the thermal radiation losses. A method for determining the shape and location of the special image collapsing reflector is described and applied to solar concentrators employing both lenses and reflectors of cylindrical and three dimensional forms.
REFERENCES:
patent: 4068474 (1978-01-01), Dimitroff
patent: 4068653 (1978-01-01), Bourdon et al.
patent: 4069812 (1978-01-01), O'Neill
patent: 4084581 (1978-04-01), Vigoureux
Brook David E.
Smith James M.
Solar Energy Technology, Inc.
Sprague Kenneth W.
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