| 摘要 |
This invention relates to a seal for sealing between a stator and rotor, including a generally annular carrier (11), an array of adjacent leaves (12) mounted in the annular carrier for sealing between the stator and the rotor with their panes lying parallel to the axis of the carrier and front and back plates (15, 16) disposed on respective axial sides of the leaves, characterised in the front and back plates (15, 16) have one or more apertures (17, 18) dimensioned for providing a substantially symmetric pressure drop across the leaves.
|
