Driveline on truck

B - Operations – Transporting – 60 – K

Patent

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Details

B60K 17/346 (2006.01) B60K 17/348 (2006.01) B60K 23/04 (2006.01)

Patent

CA 2654168

A device and a method for engaging and disengaging a longitudinal differential (10) disposed between a forward wheelshaft (4) and a rear wheelshaft (5) of an articulated vehicle (1 ) which has a front element (2) and a rear element (3) pivotable about a steering linkage (6) disposed between them and which comprises a distribution box (9) which supplies power from an engine (7) to the forward wheelshaft (4) in the front element (2) via a first shaft (11 ) and to the rear wheelshaft (5) in the rear element (3) via a second shaft (12), wherein the longitudinal differential (10) is disposed between the first shaft (11 ) and the second shaft (12), whereby a steering angle v formed between the front element (2) and the rear element (3) is detected by a detection means (25a) so arranged that the detection means (25a) causes a differential brake (20) for the longitudinal differential (10) to be kept locked, or braked, when the detection means (25a) detects a steering angle v which is smaller than a predetermined steering angle V1.

L'invention concerne un dispositif et un procédé pour embrayer et débrayer un différentiel longitudinal(10) disposé entre un essieu avant (4) et un essieu arrière (5) d'un véhicule articulé (1) qui comporte un élément avant (2) et un élément arrière (3) pouvant pivoter autour d'une tringlerie de direction (6) disposée entre eux et qui comprend un distributeur (9) qui fournit la puissance en provenance d'un moteur (7) à l'essieu avant (4) dans l'élément avant (2) par l'intermédiaire d'un premier arbre (11) et à l'essieu arrière (5) dans l'élément arrière (3) par l'intermédiaire d'un second arbre (12), le différentiel longitudinal (10) étant disposé entre le premier arbre (11) et le second arbre (12), moyennant quoi on détecte un angle de direction v entre l'élément avant (2) et l'élément arrière (3) par un moyen de détection (25a) disposé de telle façon qu'un frein de différentiel (20) sur le différentiel longitudinal (10) est maintenu verrouillé, ou freiné, sous l'effet du moyen de détection (25a) quand celui-ci détecte un angle de direction v inférieur à un angle de direction prédéterminé V1.

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