| 摘要 |
A shaft seal assembly (25) for maintaining a seal during shaft misalignment including a first seal (3) adjacent the shaft with a defined clearance (6) between the shaft and the first seal, the shaft is moveable axially in relation to the first seal; a second seal (7), the first seal partially encompassed within the second seal and in cooperative communication with the second seal; a third seal (13), the second seal partially encompassed within the third seal and in cooperative communication with the third seal, the third seal attached to said housing or vessel and allowing the first seal and the second seal to cooperatively respond to the forces produced by angular misalignment of the shaft during rotation of the shaft while maintaining defined clearance between the shaft and the seals.
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