Integrated air spring

F - Mech Eng,Light,Heat,Weapons – 16 – F

Patent

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Details

F16F 9/04 (2006.01) B60G 11/28 (2006.01)

Patent

CA 2354860

An air spring (10) for use in a motor vehicle suspension system is provided. The air spring includes a generally cylindrical flexible bladder (12) having a circular upper opening (18), a support unit (14) sealingly connected to the flexible bladder (12), and a unitary integrated top assembly (16) connected to the upper opening (18) in an air-tight manner. The support unit (14) further includes an installation fastener (52) for connection to a vehicle support brackets (78). The top assembly (16) includes a sealed body (34) having an interior open volume (23) and optional attachment components positioned on the body to connect the top assembly to a vehicle main frame. The top assembly further includes an optional connection port (28) adapted for pneumatic intercommunication with other air springs and an optional fill port (48) for connection to a pressurized air system.

L'invention concerne un ressort pneumatique (10) destiné à un système de suspension de véhicule moteur. Le ressort pneumatique comprend une vessie souple (12) généralement cylindrique ayant un orifice supérieur circulaire (18), une unité de support (14) mise en relation étanche avec la vessie souple (12) et un ensemble supérieur unitaire intégré (16) relié à l'orifice supérieur (18) de manière hermétique. L'unité de support (14) comprend également une attache d'installation (52) destinée à être reliée aux consoles de support du véhicule (78). L'ensemble supérieur (16) comprend un corps étanche (34) ayant un volume ouvert intérieur (23) et des composants d'attache facultatifs placés sur le corps pour relier l'ensemble supérieur au cadre principal du véhicule. L'ensemble supérieur comprend également un orifice de connexion facultatif (28) adapté à une intercommunication pneumatique avec d'autres ressorts pneumatiques et un orifice de remplissage facultatif (48) pour une connexion avec un système d'air pressurisé.

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