Ride height leveling control for dual air spring configuration

Details Ride height leveling control for dual air spring configuration Ride height leveling control for dual air spring configuration

2011-05-31

2011-05-31

Dickson, Paul N (Department: 3616)

Land vehicles

Suspension modification enacted during travel

Riding or suspension height

C280S006157, C280S006159, C280S124157, C267S064270, C267S064280, C188S298000, C701S037000

Reexamination Certificate

active

07950674

ABSTRACT:
An air suspension system is configured to adjust and maintain a desired vehicle ride height and spring rate. The air suspension system includes a plurality of air spring assemblies that each include a piston airbag and a primary airbag mounted around the piston airbag. A controller receives ride height input data and adjusts pressures within the primary and piston airbags until the desired ride height and spring rate is achieved. The controller accommodates for system hardware differences by varying flow rates into and out of the primary and piston airbags relative to each other.

REFERENCES:
patent: 7156382 (2007-01-01), Lloyd
patent: 2006/0267297 (2006-11-01), Nordmeyer et al.
patent: 2010/0230910 (2010-09-01), Kleckner et al.
patent: 2010/0230911 (2010-09-01), Peterson
patent: 2010/0230912 (2010-09-01), Lloyd
patent: 2010/0230913 (2010-09-01), Peterson

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