| 摘要 |
TIRE INFLATION SYSTEM A tire inflation system (20), comprising: an axle housing (24); a sealing ring (40) disposed on the axle housing (24), the sealing ring (40) having a conduit (44) formed therethrough; a hub (74) rotatably disposed on the axle housing (24), the hub (74) disposed adjacent the sealing ring (40) and having a conduit (88) formed therethrough which is in fluid communication with a conduit formed through a fastener engaged with the hub (74); an inner rotary seal (78) disposed between the sealing ring (40) and the hub (74); an outer rotary seal (80) disposed between the sealing ring (40) and the hub (74), wherein the conduit (88) formed through the hub (74) is in fluid communication with the conduit (44) formed through the sealing ring (40) through an area between the inner rotary seal (78) and the outer rotary seal (80); and a bearing seal (114) disposed between the hub (74) and the axle housing (24) and outboard of the outer rotary seal (80), wherein the inner rotary seal (78) is disposed in a first recess formed in an inner surface (84) of the hub (74), the outer rotary seal (80) is disposed in a second recess formed in the inner surface (84) of the hub (74), and the bearing seal (114) is disposed in a third recess formed in the inner surface (84) of the hub (74). |
