| 摘要 |
PROBLEM TO BE SOLVED: To provide a thermoacoustic engine capable of exciting much acoustic intensity in a loop pipe and having small oscillation temperature difference.SOLUTION: In this thermoacoustic engine including a motor 3 converting heat energy into acoustic energy in the loop pipe 2 and constituted of a heater 6, a heat accumulator 5 and a cooler 4, in the loop pipe 2, the loop pipe 2 is provided with a vibrating membrane 7. |
