Land vehicles – Suspension modification enacted during travel – Riding or suspension height
Reexamination Certificate
2011-04-26
2011-04-26
Fleming, Faye M. (Department: 3616)
Land vehicles
Suspension modification enacted during travel
Riding or suspension height
Reexamination Certificate
active
07931282
ABSTRACT:
An automatically variable vehicle ground clearance for motor vehicles with semi-elliptical spring suspensions. A drive member is placed at each wheel corner to be height adjusted, the drive member being motor driven. An operator may select a height preference by operation of a switch, or a controller may provide a range of height selections based upon an algorithm which is responsive to sensed vehicle ride conditions, as for example vehicle speed, to optimize vehicle performance.
REFERENCES:
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patent: 3897844 (1975-08-01), Chevalier
patent: 3964764 (1976-06-01), Rickardsson
patent: 4671535 (1987-06-01), Hanson et al.
patent: 6170242 (2001-01-01), Gordon
patent: 6371466 (2002-04-01), Spears
Bailey Michael L.
Kolp Scott A.
Fleming Faye M.
GM Global Technology Operations LLC
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