| 摘要 |
PCT No. PCT/JP80/00174 Sec. 371 Date Mar. 24, 1982 Sec. 102(e) Date Mar. 24, 1982 PCT Filed Jul. 29, 1980 PCT Pub. No. WO82/00497 PCT Pub. Date Feb. 18, 1982.A heat engine which has a cylinder, a piston freely reciprocally slidable within the cylinder, a casing enclosing the cylinder and having a space therewithin surrounding the outside of the cylinder, the space having axial end portions respectively communicating with the spaces in the cylinder space on opposite ends of the piston, and the casing having a bearing wall part at one axial end thereof. A mass of incompressible fluid fills the interior of the cylinder and the space and is a fluid which undergoes volumetric variation with temperature variation. A piston rod fixed to the piston extends axially of the cylinder outward through the bearing wall part, and an output displacement member in the form of a sleeve is fitted slidably around and coaxially slidable on the piston rod and extending slidably and sealingly through the bearing wall part. The end of the output displacement member in the interior of the casing has a pressure-receiving surface for receiving a force directed outward from the casing due to thermal expansion of the fluid within the casing. The casing is cooled near one end of the cylinder and heated near the other end of the cylinder, and a crank mechanism couples the end parts of the piston rod and the output displacement member to an output shaft.
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