Stirling engine with a membrane connecting the piston to the cylinder of the Stirling engine and a method of using this Stirling engine
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United States of America Patent
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Sep 20, 2022
Grant Date -
Oct 15, 2020
app pub date -
Apr 28, 2020
filing date -
Mar 25, 2015
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Abstract
The present invention relates to a low temperature, low frequency Stirling engine. Its special geometry allows for large heat exchanger surfaces and great regenerators in order to reach good “Carnoization” efficiency factors. Displacer and power piston may be connected with circular polymer based membrane sealings to the cylinder walls. The cold space of the Stirling Engine may cylindrically Surround the outer periphery of the working cylinder, making thermal isolation obsolete. The engine is for instance suited to operate as base power prime mover using thermal solar collectors and may be coupled with hot oil or pressurized water heat storages. In the reverse mode, the Engine works as effective Heat-Pump/Cooling Engine.
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