| 摘要 |
A turbine engine has a rotor shaft rotatably carried within a support structure. A seal is carried by the support structure circumscribing the shaft and having a brushpack for sealing with the shaft. A first plate on a first side of the brushpack has a first radial clearance from the rotor shaft. A rubplate has a radial clearance from the rotor shaft that is less than the first radial clearance when the seal and rotor are coaxial.
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