| 摘要 |
A stage of gas turbine has a rotor each blade of which is equipped with retaining ring, stator with at least one labyrinth ridge forming with retaining ring of the blade a ridge seal. Besides that each stator labyrinth ridge is corrugated with acute angle at the top of the corrugation and the outer surface of the retaining ring of each blade under each stator ridge is made cylindrical. |
