Land vehicles – Wheeled – Running gear
Patent
1987-04-30
1988-08-23
Rice, Kenneth R.
Land vehicles
Wheeled
Running gear
280714, 267 6418, 267 6422, B60G 1126
Patent
active
047656484
ABSTRACT:
The system comprises a spring between the vehicle body and each wheel, a shock absorber associated with each spring and which is switchable electromagnetically between soft and hard settings, one or more accelerometers measuring vertical acceleration of the vehicle body, an electronic filter for filtering the signals from the accelerometer to select a band width of frequencies, either side of the primary ride frequency of the vehicle, and control means for switching the shock absorbers between the soft and hard settings whenever a pre-determined level of vertical motion within this band width is exceeded either in the bump or rebound directions.
REFERENCES:
patent: 3124368 (1964-03-01), Corley et al.
patent: 3861696 (1975-01-01), Gustafsson
patent: 4368900 (1983-01-01), Beusse
patent: 4506909 (1985-03-01), Nakashima et al.
patent: 4540188 (1985-09-01), Meloche et al.
patent: 4575116 (1986-03-01), Miyata
Suspension Control Device, vol. 10, Number 142 (M-481) (2199), May 24, 1986, 1 page, Appln. No. 59-122608.
Control Device for Vehicle Variable Damper, vol. 8, Number 143, (M-306) (1580), Jul. 4, 1984, Appln. No. 57-152133.
Damping Force Adjusting Device for Shock Absorber, vol. 7, Number 177 (M-233) (1322), Aug. 5, 1983, Appln. No. 56-177998.
Fuller Jonathan A.
Mander Philip E.
Gaydon Technology Limited
Rice Kenneth R.
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