| 摘要 |
PROBLEM TO BE SOLVED: To further secure heat insulation between a high temperature section and a low temperature section of a cylinder member accommodating a displacer piston by adding a simple structure, so as to increase heat efficiency of a stirling engine.SOLUTION: An annular-shaped heat insulation member 22 is arranged to bridge between a high temperature side cylinder member 12 and a low temperature side cylinder member 14, and an annular-shaped heat insulation gap 11 is formed between the high temperature side cylinder member 12 and the low temperature side cylinder member 14 while airtightness of a cylinder chamber 10 is kept by a seal member 20. |
