Ride height control system for walking beam suspension

Details Ride height control system for walking beam suspension Ride height control system for walking beam suspension

2008-01-22

2008-01-22

Fleming, Faye M. (Department: 3616)

Land vehicles

Suspension modification enacted during travel

Riding or suspension height

Reexamination Certificate

active

07320469

ABSTRACT:
A trailer suspension system includes first and second axles with a walking beam interconnecting the first and second axles. An intermediate portion of the walking beam provides a fulcrum for the first and second axles. Air bags are arranged on the first and second axles. A ride height control valve is interconnected to the intermediate portion by a linkage. The ride height control valve regulates a pressure in the air bags in response to vertical movement of the intermediate portion. The linkage includes a flexible wishbone assembly that transmits vertical movement of the intermediate portion to the ride height control valve by rotating a lever on the ride height control valve.

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