The invention relates to propulsion engineering, particularly to engines operating on the Stirling cycle, and can be used in mechanical engineering.The Stirling cycle-based heat engine includes a hot cylinder (1) with a piston (2) and a cold cylinder (9) with a piston (8). The cylinder (1) via a pipeline (3), located in its upper part, communicates with a heat exchanger (4). On the opposite side the heat exchanger (4) is connected to a regenerator, consisting of a housing (5), a regenerative material (13) and a layer (11) of thermally insulating material of a thickness of 1…5 mm, placed on the inner surface of the housing (5). The opposite side of the regenerator via a pipeline (6) communicates with a cooler (7), placed in the upper part of the cylinder (9). The outer surface of the pipeline (3) and the upper part of the cylinder (1) are covered with a layer (10) of thermally insulating material of a thickness of 1…5 mm.
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