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patent · US20100078012A1

Half parabolic dish reflector with planar reflector solar smelter

1 April 2010

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(19) United States (12) Patent Application Publication (10) Pub. No.: US 2010/0078012 A1

Nix (43) Pub. Date: Apr. 1, 2010 (54) HALF PARABOLIC DISH REFLECTOR WITH Publication Classification

PLANAR REFLECTOR SOLAR SMELTER

(75) Inventor: Martin E. Nix, Seattle, WA (US) F24, 2/46 (2006.01)

C d Add (52) U.S. Cl. .......................... 126/686; 126/600: 126/690 orrespondence CSS

MARTINNX (57) ABSTRACT

P.O. Box 95.173 Melting metals using Solar energy is not new, but is new is Seattle, WA 98145-2173 (US) making the technology ergonomic, and easy to use. Invented is a half-shell-parabolic-dish reflector, which has in front an adjustable flat planar reflector. When the sun is overhead, the

O O sunlight reflects off the flat planar reflector to a half-shell (73) Assignee: Martin Nix, Seattle, WA (US) parabolic-dish, which redirects the light to a crucible for Smelting metals, which is also the focus of the Sunlight. The entire assembly rotates on top of a turntable, which can be (21) Appl. No.: 12/286,583 steel wheel, floating on compressed air, bicycle wheels, or other suitable methods. The entire assembly rotates about a crucible located at the focal of the sun's rays. A smaller (22) Filed: Sep. 30, 2008 version of the Smelter can be used for Solar cooking.

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US 2010/0078O12 A1 Apr. 1, 2010

HALF PARABOLIC DISH REFLECTOR WITH (0020 Mecham (U.S. Pat. No. 7,337,843, issued Mar. 4, PLANAR REFLECTOR SOLAR SMELTER 2008) illustrates the use of fiber optics for converting oil shale, oil sand, asphaltic crude oil, and other underground

FIELD OF INVENTION carbon for liquefacation.

0021 All of the above art illustrate that solar energy can be 0001 Invented is a parabolic reflector with a frontal planar used for high temperature applications, including processing reflector that can focus the Sun's energy, so as to Smelt metals, of chemicals. The invented device improves upon this art. process chemicals or cook food.

DESCRIPTION OF THE INVENTED DEVICE

PRIOR ART

0022. Use of solar energy for mankind's benefit has been a 0002 Melting metals with sunlight has been known art known technology since the beginning. It is a commonly and Science for several decades. known fact that a parabolic shape can focus intense Solar energy unto a small area, much like a magnifying glass 0003 Cottle (U.S. Pat. No. 608,755, issued Aug. 9, 1898) pointed at the sun. When focused in sufficient quantity, the illustrates the early art using a curved reflector to direct Sun intense energy can be used to melt metals, process chemicals, light into a thermal storage receiver. The curved reflector or cook food. The invented device improves upon the art of operates on a circular track. focusing the Sun's energy so that it can produce high tempera 0004 Rabl (U.S. Pat. No. 3,991,740, issued Nov. 16, tures for chemical processing.

1976) illustrates a curved reflector, shaped like a sea shell, 0023 The invented device consist of a half-shell-para that reflects light to a focus. bolic-reflector that is reflective on the inside. In front is a 0005 Pauly (U.S. Pat. No. 4,000,733, issued Jan. 4, 1977) half-circular-planar-reflector that is adjustable, so as to reflect illustrates a Solar furnace, which vaporizes carbon for pro sunlight into the interior of the half-shell-parabolic-reflector. duction of hydrogen. The half-shell-parabolic-reflector then redirects the sunlight 0006 Kravitz (U.S. Pat. No. 4,237,864, issued Dec. 9, to a focus, located at ground level. At the focal can be a 1980) illustrates a focusing solar collector in a parabolic crucible, that is placed on a pedestal, so as to process mate shape using an adjustable drape angle. rials, like metal, at high temperatures. The entire assembly 0007 Qader (U.S. Pat. No. 4,582,590, issued Apr. 15, rotates about the focal and crucible, rotating on a turntable 1986) illustrates how focused solar energy can process shale (like) system. Illustrated are bicycle wheels located on the into oil using pyrolysis. side and rear, however, the turntable can be floating on water, 0008 Watkins (U.S. Pat. No. 4,611,857, issued Sep. 16, floating on air, or be mounted on railroad tracks, or concrete 1986) illustrates the use of the Sun for cutting, shaping and monorail tracks.

polishing of materials. 0024. In front of the half-shell-parabolic-reflector is a 0009 Winston (U.S. Pat. No. 5,005,958, issued Apr. 9, half-circular-planar-reflector that is tiltable using a system of 1991) illustrates how high flux solar energy can be used to pulleys and weights. The half-circular-planar-reflector can be focus the Sun's energy to high resolution. adjusted so as to direct Sunlight inwards towards the half

0010 Tarcici (U.S. Pat. No. 5,090,399, issued Feb. 25, 0025. The half-circular-planar-reflector has triangular cut 1992) illustrates a foldable parabolic reflector that can be a-way that allows access to the crucible and pedestal. The net used to cook food.

result is a easy to use, ergonomic method of Smelting metals, 0011 Pande (U.S. Pat. No. 5,138,832, issued Aug. 18, processing chemicals or to cook food. 1992) illustrates how solar thermal energy can be used to create rocket thrust. DETAILED DESCRIPTION OF THE INVENTED 0012 Chauvet (U.S. Pat. No. 5,203,318, issued Apr. 20, DEVICE 1993) illustrates a sun tracking solar concentrator.

0013 Edelson (U.S. Pat. No. 5.454.853, issued Oct. 3, 0026 FIG. 1 shows a perspective of the invented device. 1995) illustrates a method of production of steel, using solar Shown is a half-shell-parabolic-reflector (1) that has an inte energy and other renewables as energy input. rior reflective surface. In front, is a half-circular-planar-re 0014 Smalley (U.S. Pat. No. 5,556,517, issued Sep. 17, flector (2), that is tiltable and adjustable, according the loca 1996) illustrates the use of solar energy to make high tem tion of the Sun (3). The half-circular-planar-reflector (2) is peratures to make Fullerenes. hinged (9) at the corners of the half-shell-parabolic-reflector (1). The half-circular-planar-reflector (2) is adjusted in height 0015 Horne (U.S. Pat. No. 5,882,434, issued Mar. 16, by a pulley-and-cable assembly (5). The half-circular-planar 1999) illustrates a parabolic concentrator that focuses an off reflector (2) has a counter-weight-ballast (7) located centrally set configuration. and at the top of the half-shell-planar-reflector (2). The sun’s 0016 Clark (U.S. Pat. No. 6,606.988, issued Aug. 19, energy focuses onto a crucible (11) located at the focal of the 2003) illustrates a solar oven using multiple Zones for con sun's energy and on top of a pedestal (12). The crucible (11) CentratOrS.

can alternatively be buried in the ground. The entire invented 0017 Rogers (U.S. Pat. No. 6,936,760, issued Aug. 30, device is rotated around a vertical and central axis, located at 2005) illustrates a space based solar system. the crucible (11), much like a turntable. Shown are bicycle 0018 Jensen (U.S. Pat. No. 7,140,181, issued Nov. 28, wheels (4), but the invented device can be floated on a turn 2006) illustrates a Solar processing reactor for gases. table floating on water or compressed air, or rotated on Steel 0019 Murphy (U.S. Pat. No. 7,299,633, issued Nov. 27, tracks or concrete monorails, or other methods. 2007) illustrates a solar power system for using molten salt 0027 FIG. 2 shows a side view of the invented device. for thermal storage. Shown is a half-shell-parabolic-reflector (1) that has an inte

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US 2010/0078O12 A1 Apr. 1, 2010

rior reflective surface. In front, is a half-circular-planar-re the focal (11). Bicycle wheels (4) are not necessarily the only flector (2), that is tiltable and adjustable according to the method of rotating the entire invented device. The invented location of the Sun (3). The half-circular-planar-reflector (2) device can be rotated on a turntable floating on water, floating is hinged (9) at the corners of the half-shell-parabolic-shell on air, or on a concrete monorail track or steel rail track, or (1). The half-circular-planar-reflector (2) has a counter other methods.

weight-ballast (7) located centrally and at the top of the half 0029 FIG. 4 shows the half-circular-planar-reflector (2). circular-planar-reflector (2). Shown also is a wrench (6) for At top is a pulley-and-cable (5) assembly with a counter weight-ballast (7). The half-circular-planar-reflector (2) is adjusting the pulley-and-cable assembly (5). Shown also are hinged (9) to the half-shell-parabolic-reflector. The sun’s bicycle wheels (4) on the side of the half-shell-parabolic energy (3) reflects off the half-circular-planar-reflector into reflector (1), and another bicycle wheel (8) on the backside of the half-shell-parabolic-reflector so as to focus the sun's (3) the half-shell-parabolic (1). The entire invented device rotates energy onto metals to be Smelted, or chemicals to be pro around a vertical and centrally located axis, tracking the Sun cessed, or to cook food. Shown also is the cut-a-way triangu (3). Reflection is shown by straight arrows. lar area (10) that allows access to the Smelting and cooking 0028 FIG. 3 shows a frontal view of the invented device. area. Shown also are the side bicycle wheels (4) that are used A half-shell-parabolic dish (1) reflects light to a focus (11), to rotate the entire invented device to track the Sun. where located is a crucible (11) on top of a pedestal (12). The I claim:

focus (11) can alternatively be at ground level, thus allowing 1. A method of Smelting metals, processing chemicals or the crucible (11) to be partially buried in the ground. In front cooking food, using a half-shell-parabolic-reflector, said is a half-circular-planar-reflector (2) that is held in place by a half-shell-parabolic-reflector with a tiltable half-circular-pla pulley-and-cable (5) assembly. A counter-weight-ballast (7) nar-reflector in front, with said half-circular-planar-reflector helps to keep the half-circular-planar-reflector stable (2), hinged to the corners of the half-shell-parabolic-reflector, the even in wind. Centrally located inside the half-circular-pla half-circular-planar-reflector containing a cut-a-way triangle nar-reflector (2) is a triangular cut-a-way (10) that also allows located centrally, the half-shell-parabolic-reflector rotatable access to the focal and crucible (11) located on the pedestal around a central and vertical axis, means to track the Sun and (12). On the side is a hinge (9) that allows the half-circular focus the Sun's energy onto a crucible for processing said planar-reflector (2) to tilt to the desired angle. On the side are metals, chemicals and food.

bicycle wheels (4) that allow the entire invented device to c c c c c rotate like a turntable, rotating about a vertical axis located at

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Provenance

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Assignee
Martin Nix
Inventors
Martin E. Nix
Published
2010-04-01