Energy storage and conversion in free-piston combustion engines
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United States of America Patent
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Aug 1, 2017
Grant Date -
Jul 21, 2016
app pub date -
Jan 15, 2015
filing date -
Jan 15, 2015
priority date (Note) -
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Abstract
Various embodiments of the present disclosure are directed towards free-piston combustion engines. As described herein, a driver section may be provided in a free-piston combustion engine for storing energy during an expansion stroke. The driver section may be configured to store sufficient energy to perform the subsequent stroke. In some embodiments, the driver section may be configured to store sufficient energy so as to enable the engine to operate continuously across engine cycles without electrical energy input. A linear electromagnetic machine may be provided in a free-piston combustion engine for converting the kinetic energy of a piston assembly into electrical energy.
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