Importance

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Abstract

The invention relates to a cartridge (1) for the displacement of a thermodynamic fluid for a heat engine, the cartridge being characterised in that it comprises: a first profile section (2) comprising first circulation means (3) for circulating a heat transfer fluid; a second profile section (8) comprising second circulating means (9) for circulating a heat-transfer fluid; a third profile section (15) being able and intended to be connected to at least one supply circuit of at least one working fluid (J, H), said third profile section (15) being placed inside the first profile section (2) and the second profile section (8); a chamber (24) for containing a thermodynamic fluid; a displacer (25) placed within said chamber (24) and mounted so as to be capable of sliding relative to the outer wall (17) of said third profile section (15); a piston (26) placed inside said third profile section (15) and mounted so as to be capable of sliding relative to the inner wall (16) of said third profile section (15), the piston (26) being able and intended to be moved by said at least one working fluid (J, H), the displacer (25) and the piston (26) being coupled to each other.

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First Claim