LABYRINTH SEAL HAVING LABYRINTH RINGS WITH DIFFERENT WEAR RESISTANCES

摘要

labyrinth seals , including the labyrinth rings with different wear First labyrinth ring 11 and the second labyrinth ring 12 including the labyrinth seal according to (10) , the labyrinth seal 10, the first and second labyrinth ring is installed in the state (11 , 12) are at least partially overlapped and connected to each other can be rotatable relative to each other , the first and second labyrinth ring ( 11, 12) are of the surface facing each other in the installed state has a different wear resistance . ;