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Solar radiation concentrator and related method
As illustrated in FIGS. 1 and 2, a device or apparatus for concentrating solar energy comprises a container 10 in the form of an upstanding circular side wall 12 and a ...
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Interlocking spacer members for coiled tube assembly
I claim: 1. A heat exchanger comprising a coil assembly having a plurality of coaxial layers of helically coiled tubes, a respective spacer body for each of said layers, ...
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Process of and apparatus for curving a casing of stretched plastic material
What is claimed is: 1. A process for curving an elongated, dry, inflated casing of plastic material, comprising the steps of: heating the surface of a cylindrical ...
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Heat exchanger
According to the present invention there is provided a heat exchanger comprising a plurality of coils of tubing operative in parallel wherein the coils are of ...
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Superdensity assembly system for heat exchangers
What is claimed is: 1. A coil tube bundle for a heat exchanger which comprises (a) a multiplicity of substantially rigid strips each formed with equally spaced slots ...
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Controlled weak point for wireline cable
The present invention operates such that once a first "weak point" is cut or separated, a backup prevents its liberation. Meanwhile, it remains electrically connected, ...
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Heating apparatus for composite structure repair
A heating apparatus in accordance with the present invention comprises, as a single unit, a sealed bladder containing a thermally conductive fluid and an electrical ...
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Compositions for thermal energy storage or thermal energy generation
The present invention meets that need by providing a silica based gel or dry powder in the form of silica particles containing a water/urea phase change material for ...
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Thermal retention device with outer covering receiving a warmer and food to be heated
According to a preferred embodiment of the present invention, a thermal retention device is disclosed which includes an envelope for defining an enclosed volume. An ...
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Food warning device containing a rechargeable phase change material
The present invention provides a solution to the needs currently existing in the art by providing a food heating device employing a rechargeable phase change material ...
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