Importance

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Abstract

An energy conversion device for converting heat to mechanical energy. The apparatus includes a heat exchanger vessel absorbing heat from an ambient or energy-rich fluid and transferring heat to a working fluid within an interior chamber of the vessel containing pressurized working gas. An isolation vessel is positioned within the interior chamber, with a gas flow loop defined between the two vessels through which the working gas flows. The isolation vessel is insulated to create a temperature differential and is pressure resistant to allow low pressures in the interior chamber to be maintained. A compressor is positioned within the isolation vessel to compress and discharge the gas into the gas flow loop. An expander is placed in the isolation vessel for converting energy of the expanding gas into a mechanical energy and for rarefying the expanded gas prior to discharge to create a lower bottom temperature or cold reservoir.

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First Claim