| 摘要 |
A turbine, wherein: a turbine nozzle includes a ring-shaped partition plate for forming an inside nozzle channel in the interval between the partition plate and the nozzle inner ring, and forming an outside nozzle channel in the interval between the partition plate and the nozzle outer ring; an intake-side casing includes a cylindrical first casing, includes a second casing for forming a first channel that guides exhaust gas to the inside nozzle channel and is formed between the first casing and the second casing, and forming a second channel that guides the exhaust gas to the outside nozzle channel and is formed on the outer-circumferential side of the first channel, and also includes a bypass pipe connected to the first channel on one side thereof via a first opening provided on the outer-circumferential surface of the second casing, and connected to the second channel on the other side thereof via a second opening provided on the outer-circumferential surface of the second casing; and the bypass pipe is provided with a valve. |
