| 摘要 |
PURPOSE:To decrease a flow amount of sealing fluid, which flows from the center part of a rotary unit to the periphery through a clearance between the rotary unit and a stationary unit, by providing a deflection plate deflecting the sealing fluid to a side of the stationary unit in an inlet part of the sealing fluid into said clearance. CONSTITUTION:To prevent high temperature main flow gas 50 from intruding between the bottom part of a moving blade 20, wheel 10 and a nozzle diaphragm 30 and a partitioning casing 40, sealing air 60 is allowed to flow from the center part of a rotor to the periphery. Deflection plates 100 are provided to inlet parts of the sealing air, and a flow of the sealing air is deflected in the direction to a side of the nozzle diaphragm 30 and the casing 40, then the generation of a flow internally in the radial direction due to rotary motion of the wheel 10 is prevented when the sealing air flows to the periphery. |
