Land vehicles – Body elevation or tilt – Establishing riding or trim height
Patent
1983-03-18
1985-05-21
Peters, Jr., Joseph F.
Land vehicles
Body elevation or tilt
Establishing riding or trim height
180 41, B60G 1700
Patent
active
045181691
ABSTRACT:
An automatic vehicle height-adjusting system is applied to a vehicle including a sprung mass and an unsprung mass in contact with a road surface, the sprung mass being supported on the unsprung mass via a spring or the like. The system includes a sensor, which senses the distance between the sprung mass and the road surface and generates a distance signal indicative thereof. In response to the distance signal, a first discriminator or comparator determines whether or not the distance is less than a first predetermined value, and generates a first comparison signal indicative thereof. In response to the distance signal, a second discriminator or comparator determines whether or not the distance is greater than a second predetermined value, and generates a second comparison signal indicative thereof. The second predetermined value is chosen to be greater than the first predetermined value. In response to the first and second comparison signals, a control mechanism increases the height of the sprung mass with respect to the unsprung mass when the distance is less than the first predetermined value, and decreases the height of the sprung mass with respect to the unsprung mass when the distance is greater than the second predetermined value.
REFERENCES:
patent: 3830138 (1974-08-01), Joneleit
patent: 4105216 (1978-08-01), Graham et al.
patent: 4390187 (1983-06-01), Maeda
Vol. 5, No. 155 (M-90) (827), Japanese Abstract dated Sep. 30, 1981.
Irie Namio
Kuroki Junsuke
Tanaka Haruto
Nissan Motor Company Limited
Peters Jr. Joseph F.
Rice Kenneth R.
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