Land vehicles – Wheeled – Running gear
Patent
1988-10-24
1990-03-20
Bertsch, Richard A.
Land vehicles
Wheeled
Running gear
180 41, 280840, B60G 1128
Patent
active
049095366
ABSTRACT:
A vehicle leveling strut of the type having a direct-acting hydraulic shock absorber provided with a reciprocable piston rod having a dirt shield mounted thereon. A tubular rolling diaphragm member secured at one end to the shock absorber and to the opposite end to the dirt shield and defining therewith a variable volume chamber adapted to be selectively pressurized and de-pressurized for controlling the distance between the sprung and unsprung portions of an associated vehicle. Located interiorly of the pressurizable chamber and concentrically positioned between the shock absorber and fixedly mounted to the dirt shield is a generally tubular support member upon which is mounted at least one pair of electrical coil windings for sensing changes in the electromagnetic field of each coil winding. Associated with the shock absorber axially moving through the tubular support member are means for changing the electromagnetic fields of the coil windings so as to provide a control signal which effects actuation of a pressurized fluid supply source.
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Bertsch Richard A.
Monroe Auto Equipment
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