| 摘要 |
The invention relates to an arrangement in a mechanical shaft seal. The arrangement comprises at least one sealing part (1, 2) rotating with a shaft (14) in relation to a frame (13) of the device and at least one sealing part (4) fastened to the frame (13) and/or to a separate frame part (3) that is n on- rotatable in relation thereto. The arrangement also comprises at least one additional part (7) arranged to connect the sealing parts (1, 2) rotating in relation to the frame (13) and/or the rotating sealing parts (1, 2) and at least one additional part (8) arranged to connect the frame (13) and the sealing part (8) that is non-rotatable in relation thereto and to prevent th e rotation of the sealing part (8) in relation to the frame (13). At least one set of the additional parts (7, 8) is memory metal elements.
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