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Sealing device for rotary shafts, in particular stern tube sealing for ship propeller shafts.
Sealing device for rotary shafts, in particular stern tube sealing for ship propeller shafts.
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机译:旋转轴的密封装置,特别是船用螺旋桨轴的尾管密封。
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摘要
Sealing device for rotating shafts, in particular stern tube seal for the propeller shafts of a ship, with a main seal and a backup seal, in which the main seal is designed as a rotating mechanical seal or as a lip seal, and the backup seal is designed as a gland seal, and the activation of the latter takes place by means of an expandable body, which can be pressurized with a hydraulic or pneumatic pressure medium, preferably as a function of the pressure of the medium to be sealed out.
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