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Abstract

The invention described herein provides new devices suitable for effectively converting temperature differences, including relatively low temperature differences, into useful work (e.g., for generating electrical power), related systems, and methods of using and developing such devices/systems. The devices are characterized in, inter alia, comprising an at least partially enclosed moveable component (e.g., a piston), an enclosed/isolated pressurized gas, and an enclosed temperature modifying liquid or energy transfer fluid system having portions which obtain temperature characteristics from two sources, which portions are alternatingly dispensed (e.g., as droplets by improved dispensation components) into the pressurized gas, or which operate as a liquid displacer of pressurized gas, in either case creating a pressure on the movable component, causing the moveable component to move back and forth along a stroke distance, and which, in aspects, is opposed by a counter pressure system, such as a vacuum counter pressure system. Other and related devices, systems, and methods also are provided.

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First Claim