| 摘要 |
PROBLEM TO BE SOLVED: To provide a combustion device free from resonance of structure caused by sound. SOLUTION: In this combustion device wherein a damper structural portion 50 having a plurality of damper partitioning plates 53 arranged along the gas flowing direction, and damper blades 51 respectively rotatably mounted between the damper partitioning plates 53 and between the damper partitioning plate 53 and a rear heat transfer portion side wall 2, is mounted at a downstream side of a rear heat transferring portion, a natural frequency increasing member 55 for increasing natural frequency of the damper structural portion 50 is mounted at an upstream side or downstream side of the gas flowing direction of the damper partitioning plates 53. COPYRIGHT: (C)2006,JPO&NCIPI
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