Means for extracting energy from ambient thermal systems

Details Means for extracting energy from ambient thermal systems Means for extracting energy from ambient thermal systems

F - Mech Eng,Light,Heat,Weapons

02

G

257/30

F02G 1/043 (2006.01)

Patent

CA 2029272

ABSTRACT Thermodynamic cycles with gas as the operating fluid are not efficient unless there is a large temperature difference or a large pressure difference. This limitation permits only a small portion of the available waste energy to be converted. In this invention a novel method is used to increase the density of aconfined gas by cooling the gas in many small incremental steps. The gas is cooled in many small compartments and permitted to expand freely from one compartment to the next. This process is equivalent to cooling a gas to a low temperature atnearly constant pressure, without producing any heat of compression. When the gas is re-heated, it expands and performs work as in a normal thermodynamic cycle. The result is the extraction of most of the available energy, which is converted to useful rotary energy in the process.

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