Land vehicles – Body elevation or tilt – Establishing riding or trim height
Patent
1981-01-16
1983-07-05
Peters, Jr., Joseph F.
Land vehicles
Body elevation or tilt
Establishing riding or trim height
267 6428, 280707, B60G 1126
Patent
active
043914527
ABSTRACT:
A control circuit for a vehicle leveling system which operates to restore the vehicle height to be within a reference vehicle height range. The control circuit comprises a first detecting device which detects the direction of change in the vehicle height, a second detecting device which determines the necessity of levelling operation, a logic circuit which properly controls the leveling operation in response to outputs of the first and second detecting devices, and a holding circuit which increases the duration of an OFF signal so as to render the pneumatic system of the vehicle to be inoperative, for a predetermined length of time. The control circuit effects adjustment in height in response to those changes in vehicle height which inherently require adjustment and avoids any adjustment in response to those changes in vehicle height which naturally occur instantaneously under normal driving conditions.
REFERENCES:
patent: 4017099 (1977-04-01), Hegel
patent: 4054295 (1977-10-01), Elliott
patent: 4105216 (1978-08-01), Graham
patent: 4150299 (1979-04-01), Kasiewicz
patent: 4164664 (1979-08-01), Kasiewicz
patent: 4168840 (1979-09-01), Graham
patent: 4333668 (1982-06-01), Hendrickson
Burt Pamela S.
Carroll John A.
Honda Giken Kogyo Kabushiki Kaisha
Peters Jr. Joseph F.
Shortley John L.
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