| 摘要 |
PROBLEM TO BE SOLVED: To provide an acoustic damper gear capable of maintaining the performance without the blockage of a compressed airflow in the circumference of the acoustic damper gear in a limited space of an indoor of a passenger compartment even when the number of combustion chambers provided in the indoor of the passenger compartment of a gas turbine is increased.SOLUTION: The acoustic damper gear comprises: a first acoustic damper pipeline 13b; and a first acoustic damper 13 having a first acoustic damper enlarged diameter part 13c provided to communicate with the first acoustic damper pipeline 13b and expanded in diameter towards the side of a housing 4 with an enlarged diameter rate capable of attenuating the combustion vibration at an object frequency regarding the first acoustic damper pipeline 13b as well as capable of not obstructing compressed airflow in the circumference of the acoustic damper gear, so that even when the number of combustion chambers provided in the indoor of the passenger compartment of a gas turbine is increased, the acoustic damper gear can be provided that is capable of maintaining the performance without the blockage of the compressed airflow in the circumference of the acoustic damper gear in a limited space of the indoor of the passenger compartment. |
