Importance

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Abstract

A Stirling machine including: a heat exchanger; an expansion chamber; and a compression chamber, in which the Stirling machine is configured to perform a Stirling cycle to convert heat into mechanical power, a heater of the heat exchanger includes a first flow channel configured to allow a working fluid to flow therethrough, and a second flow channel configured to allow a first fluid for exchanging heat with the working fluid to flow therethrough, a fluid introduction chamber for introducing the first fluid into the second flow channel is provided on an outer side of the expansion chamber, and a partition wall between the expansion chamber and the fluid introduction chamber is provided with a plurality of grooves on an expansion chamber side and/or a fluid introduction chamber side.

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First Claim