1978-02-01

A Dry Air, Electronic-Controlled Leveling System for Passenger Cars and Light Trucks 780051

This paper describes a new leveling system which addresses itself to the needs of future, lighter weight vehicles for which attitude control is more important and engine vacuum is partly or totally unavailable. The system utilizes reverse air flow to clean its filter and regenerate its air dryer for lifetime moisture control. The electronic controller and high capacity compressor provide positive response without the use of a storage tank. The reduced number of air fittings and an improved “snap-on” fitting help guard against leaks. This system is described as it interfaces with passenger cars and light trucks using air-adjustable springs in the suspension system.

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