Improved traction and suspension control assembly

B - Operations – Transporting – 60 – G

Patent

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Details

B60G 17/015 (2006.01) B60G 17/0195 (2006.01) B60T 8/34 (2006.01) B60T 8/48 (2006.01)

Patent

CA 2336119

Enhanced traction control is provided in a modified 6x2 vehicle. An air suspension assembly is tied to the antilock/traction controller. Thus, in response to a differential traction control event, pressurized air to air bags associated with the suspension assembly is regulated to transfer greater vehicle load to the drive axle (10). This provides improved traction capability. If the drive axle is already at its rated maximum vehicle load, then no additional weight is transferred. In addition, isolation valves (72) are added to the brake lines associated with the non-drive axle (12). The isolation valves also communicate directly with the antilock/traction controller so that braking to the non-drive axle is isolated from the drive axle. This eliminates brake drag on the non-drive axle during a differential traction control event.

L'invention concerne un système de commande de traction perfectionné pour véhicule 6x2 modifié. Un ensemble à suspension pneumatique est lié à l'unité de commande antiblocage/traction. De cette façon, en réponse à une situation de commande de traction différentielle, l'air comprimé dans des airbags associés à l'ensemble de la suspension est régulé en vue de transférer une plus grande charge du véhicule sur l'arbre moteur (10). Ceci améliore la capacité de traction. Si l'arbre moteur est déjà à sa charge maximale de régime du véhicule, aucune masse supplémentaire n'est transférée. En outre, des vannes d'isolement (72) sont ajoutées aux lignes de freinage associées à l'arbre traîné (12). Les vannes d'isolement communiquent également directement avec l'unité de commande antiblocage/traction, de sorte que le freinage sur l'arbre traîné est isolé de l'arbre moteur. Ceci élimine la résistance au freinage sur l'arbre traîné, lors d'une situation de commande de traction différentielle.

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