| 摘要 |
To provide a spring seal device for connecting inner tube and tail tube of combustor by which air leakage caused by aged deterioration of spring seal is prevented. The spring seal 3, 4 for connecting the inner tube 1 and the tail tube 2 of combustor is fitted at its end portion on the upstream side to outer circumference of the inner tube 1. The downstream side end portion of the spring seal 3, 4 is pinched between inner circumference of the tail tube 2 and a spring seal guide 5 fitted thereto and connects the inner tube 1 and the tail tube 2. At the time of start and stop of gas turbine, the spring seal slides in the spring seal guide 5, thereby thermal deformation is absorbed.
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