A seatbelt retractor includes a base, a spool, a cylinder 55, a transfer plate 53, and a cylinder lock. The spool is rotatably coupled to the base and has a piston portion 70. The cylinder is engaged with the piston portion and therewith defines a chamber 88. The transfer plate is translateably disposed in the first chamber. The cylinder lock in a first condition rotatably fixes the cylinder to the base. Damping fluid 110 is in the chamber. The chamber may be divided by the transfer plate into first and second sub-volumes 93, 95, the transfer plate including a plate aperture 91. The aperture may have a relief valve 119. The piston portion and the cylinder may be centered on the spools axis of rotation 63, and may be in threaded engagement with each other. The transfer plate may include a plate spacer 87 on a first side, a plate spring 89 on a second side, and a seal 81 about its periphery. Alternatively the transfer plate may define an end of a piston capsule 78 (see figure 13 and 14). The damping fluid may be a heterogeneous mixture including hydrophobic nanoporous particles (e.g. silica) and a liquid.


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    Titel :

    Load limiting seatbelt retractor


    Beteiligte:

    Erscheinungsdatum :

    02.01.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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