Diaphragm displacer Stirling engine powered alternator-compresso

Power plants – Motor operated by expansion and/or contraction of a unit of... – Unit of mass is a gas which is heated or cooled in one of a...

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60517, F02G 104

Patent

active

043801528

ABSTRACT:
A free piston Stirling engine having a hermetically sealed vessel enclosing a working space which can be charged with a working gas under pressure. A displacer, mounted in the working space at the cold end by a spring diaphragm member, to circulate the working gas through a heater, a regenerator, and a cooler to create a pressure wave in the working gas which acts against a power piston to produce output power. The spring diaphragm member provides an effective decrease in the area of the cold end of the displacer which causes the thermodynamic system to provide motive power for maintaining the oscillation of the displacer, supports and centers the displacer in the working space, and functions as a spring to return the displacer towards its center position when it is displaced toward the cold or hot end.

REFERENCES:
patent: 4215548 (1980-08-01), Beremand

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