A device is provided for compensating a steering bias in a power steering system of a heavy vehicle, for example a 44 tonne articulated lorry. The power steering system comprises a steering box (120, Figure 1) for transferring rotation of a steering wheel (100, Figure 1) to vehicle wheels (150a, 150b, 160a, 160b, Figure 1) using an actuator piston (280, Figure 1) comprised in the steering box and a drop arm 420 fixedly attached to the steering box and cooperating with a drag link (200, Figure 2) associated with at least one steering arm for turning the vehicle wheels. The device comprises a counterweight 400 located at an attachment point between steering box 120 and the at least one steering arm, and directly opposes an effect of the steering bias at the attachment point. Preferably counterweight 400 has a mass of between 3 kg and 12 kg and is located on a lever arm 410 of length about 21 cm. The device is particularly suitable for right-hand drive vehicles based on left-hand drive designs and avoids the need for continuous left bias correction.


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    Titel :

    Heavy vehicle power steering gear correction system


    Beteiligte:

    Erscheinungsdatum :

    16.03.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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