Composite suspension system for a vehicle

Details Composite suspension system for a vehicle Composite suspension system for a vehicle

B - Operations, Transporting

60

G

B60G 11/32 (2006.01) B60G 9/00 (2006.01)

Patent

CA 2718985

A composite suspension system for a vehicle includes a mechanical suspension system supporting the body of the vehicle with respect to an axle and a pneumatic suspension system to selectively provide support for the body relative to the axle. Under heavy loads, the pneumatic suspension system may be inflated to support the body relative to the axle. When not under heavy loads the pneumatic suspension system may be deflated so as not to interfere with the support provided by the mechanical suspension system. A control system regulates a compressor connected to the pneumatic suspension system to inflate the same. The control system also regulates access of the pneumatic suspension system to a vacuum source to deflate the same.

Une suspension composite pour un véhicule comprend une suspension mécanique supportant la carrosserie du véhicule par rapport à un essieu et une suspension pneumatique permettant de fournir de manière sélective un support à la carrosserie par rapport à l'essieu. En présence de charges lourdes, la suspension pneumatique peut être gonflée pour supporter la carrosserie par rapport à lessieu. En labsence de charges lourdes, la suspension pneumatique peut être dégonflée afin de ne pas interférer avec le support fourni par la suspension mécanique. Un système de commande régule un compresseur relié à la suspension pneumatique pour gonfler celle-ci. Le système de commande régule également laccès de la suspension pneumatique à une source de vide pour dégonfler celle-ci.

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