Vehicle suspension system and height control valve therefor

Details Vehicle suspension system and height control valve therefor Vehicle suspension system and height control valve therefor

B - Operations, Transporting

60

G

B60G 17/056 (2006.01) F16K 11/074 (2006.01) F16K 27/04 (2006.01)

Patent

CA 2382787

A height control valve (12) for controlling the relative height between a vehicle frame (16) and a trailing arm suspension (10). The height control valve comprises a housing (30) defining an interior chamber (36) and having an inlet port (38) fluidly connecting to a source of pressurized air. An air spring port (39) is provided in the housing for fluidly connecting to an air spring (22). Additionally, an exhaust port (40) is provided in the housing for fluidly connecting to the atmosphere. A valve (60, 70) is disposed within the interior chamber and is selectively operable between a fill position, an exhaust position, and a neutral position.

Soupape de commande de hauteur (12) servant à commander la hauteur relative entre le châssis (16) d'un véhicule et la suspension (10) d'un bras longitudinal. Cette soupape comprend un carter (30) définissant une chambre intérieure (36) et possédant un orifice d'entrée (38) relié de façon fluide à une source d'air comprimé. Un orifice (39) de ressort pneumatique est situé dans le carter afin de communiquer de façon fluide avec un ressort pneumatique (22). De plus, un orifice d'échappement (40) est situé dans le carter afin de communiquer de façon fluide avec l'atmosphère. Une soupape (60, 70) est située à l'intérieur de la chambre et peut être mise en service de façon sélective entre une position de remplissage, une position d'échappement et une position neutre.

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