US 7,320,469 B2 | ||
Ride height control system for walking beam suspension | ||
Braden Bromley, Royal Oak, Mich. (US) | ||
Assigned to ArvinMeritor Technology, LLC, Troy, Mich. (US) | ||
Filed on Oct. 07, 2004, as Appl. No. 10/960,837. | ||
Prior Publication US 2006/0076757 A1, Apr. 13, 2006 | ||
Int. Cl. B60G 17/04 (2006.01) |
U.S. Cl. 280—5.514 | 13 Claims |
1. A trailer suspension system comprising:
first and second axles with a beam interconnecting the first and second axles, an intermediate portion of the beam providing
a fulcrum for the first and second axles;
air bags arranged on the first and second axles; and
a ride height control valve interconnected to the intermediate portion by a linkage, the ride height control valve regulating
a pressure in the air bags in response to vertical movement of the intermediate portion transmitted through the linkage to
the ride height control valve.
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