| 摘要 |
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 f or fluidly connecting to the atmosphere. A valve (60, 70) is disposed within th e interior chamber and is selectively operable between a fill position, an exhaust position, and a neutral position.
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