| 摘要 |
An arrangement for a non-hermetic seal between a stator and a rotor of a turbomachine in the root region of guide blades belonging to the stator, comprising a brush sealing ring which is mounted on the guide blades via a spoke centering means and whose bristles together with a rotating sealing surface form a fluid barrier which is permeable in a defined manner. On the sealing side of lower pressure, a supporting ring for the bristles is arranged at a slight distance from the rotating sealing surface, and this supporting ring is integrally connected to the guide blade roots and can be segmented by means of parting seams. The spoke centering means is designed to be permeable to pressure, as a result of which the brush sealing ring is pressure-relieved axially, with the exception of the bristle area between sealing surface and supporting ring.
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