VEHICLE HEIGHT ADJUSTMENT METHOD

PURPOSE:To provide a positive vehicle height adjustment at front and rear wheels by a single sensor by a method wherein an adjusting pressure for a front suspension is adjusted on the basis of data of level sensing in a rear suspension so as to fulfill the desired relation. CONSTITUTION:When a load...

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Bibliographic Details
Main Authors YOSHIDA KENJI, AMANO NORIMASA
Format Patent
LanguageEnglish
Published 16.04.1984
Subjects
PERFORMING OPERATIONS
TRANSPORTING
VEHICLE SUSPENSION ARRANGEMENTS
VEHICLES IN GENERAL
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Summary:PURPOSE:To provide a positive vehicle height adjustment at front and rear wheels by a single sensor by a method wherein an adjusting pressure for a front suspension is adjusted on the basis of data of level sensing in a rear suspension so as to fulfill the desired relation. CONSTITUTION:When a load is applied on a vehicle body to compress a rear suspension RS, the rod 4 of a level sensor 1 is lowered and a light of a light emitting diode 7 is incident to a phototransistor 5. Therefore, SOL1 is energized through a control circuit 40 and both check valves 37 and 38 are opened. Thereby, air from an air source 35 is supplied to a chamber 28 in RS2 and then RS2 is extended up to its reference position. Simultaneously, a control valve 61 is controlled on the basis of a prememorized and desired PR (inner pressure in RS2)-PF(inner pressure in a front suspension FS64) in a control circuit 40 and the pressure in FS64 is kept at the desired level which is lower than the pressure of RS2.
Bibliography:Application Number: JP19820177857