Frame rail torsion attenuator

Details Frame rail torsion attenuator Frame rail torsion attenuator

B - Operations, Transporting

60

G

B60G 11/27 (2006.01) B60G 21/05 (2006.01) B62D 21/02 (2006.01)

Patent

CA 2539822

The present invention provides a torsion attenuator for a vehicle frame (10) having first (14) and second (16) longitudinal frame rails extending substantially parallel to a longitudinal axis. A torsion attenuator in accordance with one embodiment of the present invention includes first and second brackets (38, 40) coupled to the first and second frame rails (14, 16), respectively. The torsion attenuator further includes a cable (42) coupled at a first end to the first bracket (38), and coupled at a second end to the second bracket (40). A torsion attenuator in accordance with the present invention provides that the torsional loads are distributed to the frame rail system, rather than to the individual rails. Such a torsion attenuator may be especially advantageous in suspension systems that employ air springs.

L'invention concerne un atténuateur de torsion destiné à un châssis de véhicule (10) comportant un premier (14) et un second (16) longeron de cadre de châssis longitudinaux, qui se déploient de façon sensiblement parallèle à un axe longitudinal. L'atténuateur de torsion, dans une première forme de réalisation, comprend un premier et un second support (38, 40) couplés aux premier et second longerons (14, 16), respectivement. L'atténuateur de torsion comprend de plus un câble (42) couplé, à une première extrémité, au premier support (38), et à une seconde extrémité au second support (40). Cet atténuateur de torsion, qui répartit les charges de torsion sur le système de longerons plutôt que sur les longerons individuels, est particulièrement avantageux dans les systèmes de suspension utilisant des ressorts pneumatiques.

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