This sealing device (2, 103) for a propeller shaft (4) of a marine vehicle propulsion unit contains a plurality of sealing lips (22, 24, 26, 28, 30) axially offset relative to each other, with a receiving space (32) for a hydraulic fluid delimited by two adjacent sealing lips (22, 24), at least one buffer space (34, 36, 38) axially offset with respect to the receiving space (32) and delimited by two adjacent sealing lips (24, 26, 28, 30), whereby the sealing device (2, 103) contains suitable feeding means for supplying said buffer space (34, 36, 38) with a buffer fluid. The device (2, 103) contains a sampling circuit able to sample fluid contained in said buffer space (34, 36, 38) and a monitoring device (60) able to check parameters (D liq , 84 , 86 ) of the fluid sampled by the sampling circuit.


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    Title :

    SEA WATER SEAL WITHOUT OIL LUBRICATION FOR PODS


    Additional title:

    SEEWASSERDICHTUNG OHNE ÖLSCHMIERUNG FÜR EINE ANTRIEBSGONDEL
    JOINT D'ÉTANCHÉITÉ À L'EAU DE MER SANS LA LUBRIFICATION PAR HUILE POUR PROPULSEURS EN NACELLE


    Contributors:

    Publication date :

    2023-09-13


    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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