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1403results about "Extraordinary structures" patented technology

Inflatable fresnel lens solar concentrator for space power

A novel, high-efficiency, extremely light-weight, inflatable refractive solar concentrator for space power is described. It consists of a flexible Fresnel lens, flexible sides, and a back surface, together enclosing a volume of space which can be filled with low pressure gas to deploy the concentrator on orbit. The back surface supports the energy receiver/converter located in the focal region of the Fresnel lens. The back surface can also serve as the waste heat radiator. Prior to deployment, the deflated flexible lens and sides are folded against the back surface to form a flat, low-volume package for efficient launch into space. The inflatable concentrator can be configured to provide either a line focus or a point focus of sunlight. The new inflatable concentrator approach will provide significant advantages over the prior art in two different space power areas: photovoltaic concentrator arrays and high-temperature solar thermal conversion systems. Photovoltaic concentrator arrays using the new inflatable lens will be much lighter than prior space concentrator arrays. In addition, for photovoltaic concentrator arrays, the new inflatable lens will eliminate the need for a fragile glass superstrate to support the lens, substantially improving robustness of the lens. Solar thermal concentrator arrays using the new inflatable lens will be much lighter than prior art space concentrators which used parabolic mirrors. In addition, for solar thermal applications in space, the new inflatable lens will eliminate the need for high surface accuracy, which has been a significant problem for prior art concentrators.
Owner:ENTECH INC +1

Relocatable personal and/or pet safety appliance

ActiveUS7690159B1Easily assembled and relocateableMinimal costHuman health protectionBuilding locksAtlantic hurricaneEngineering
Relocatable personal and / or pet safety shelters for protecting occupants from dangerous conditions such as those from hurricanes and tornadoes. The shelters can include metal wall and ceiling panels of approximately 10 gage to approximately 12 gage thick and be able to withstand winds of up to approximately 250 miles per hour or greater, and be able to withstand a projectile such as 2 inch by 4 inch wood member shot at approximately 100 miles per hour from penetrating inside. The shelter can have a length of approximately 60 inches, a width of approximately 30 inches, a height of approximately 55 inches, with a total weight of up to approximately 940 pounds. The shelter can have fixed bench seats along opposite sides of the door from each other, and be attached in a fixed horizontal orientation above the floor by elongated L-shaped brackets that are attached to the walls be removable fasteners. The bench seats can also be attached by hinges so that the bench seats can have folded up positions adjacent to side walls and can fold down to horizontal positions to allow occupants to sit thereon. A fold down table can be included to fold down between the two bench seats when being used. A safety window such as plexiglass, can be formed in the door to allow the occupants to see outside environmental conditions. The shelter can be fastened to a concrete pad base, or driveway or concrete floor and the like, both inside and outside of a garage, a home, a trailer, and the like.
Owner:ARNOLD FLOYD
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