In a load limiting device (10), especially for a seat belt in a vehicle, comprising a controllable braking device (16) which has a fluid-filled compartment (24) including a conduit (34) through which the fluid (23) can flow, an element to be decelerated (32) which is coupled to the seat belt, at least one sensor (18) for detecting vehicle operating data, especially an acceleration sensor, a sensor (20) for detecting the webbing extension, and a controller (22) for controlling the braking power of the braking device (16) as a function of the vehicle operating data measured and the webbing extension measured, the fluid (23) is a magnetorheological fluid and a control magnet is provided which is adapted to generate a variable magnetic field inside the conduit (34) and to vary the viscosity of the magnetorheological fluid inside the conduit (34).


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    Title :

    Force limiting device and method for controlling a force limiting device


    Contributors:

    Publication date :

    2019-01-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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