Sealing device for a propeller shaft of a marine vehicle propulsion unit including a plurality of sealing lips axially offset relative to each other, with a receiving space for a hydraulic fluid delimited by two adjacent sealing lips, at least one buffer space axially offset with respect to the receiving space and delimited by two adjacent sealing lips, whereby the sealing device includes suitable feeding means for supplying the buffer space with a buffer fluid. The device includes a sampling circuit able to sample fluid included in the buffer space and a monitoring device able to check parameters of the fluid sampled by the sampling circuit.


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    Title :

    Sea water seal without oil lubrication for pods


    Contributors:

    Publication date :

    2021-07-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16J Kolben , PISTONS / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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