Land vehicles – Wheeled – Running gear
Patent
1983-10-17
1985-11-26
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Running gear
280703, 280714, B60G 1700
Patent
active
045551260
ABSTRACT:
An improved vehicle suspension system capable of providing at all times a desirable maneuvering characteristic variable in response to changes in the angle of steering. The suspension system includes front wheel suspension assemblies for resiliently suspending the front wheels of the vehicle and rear wheel suspension assemblies for resiliently suspending the rear wheels of the vehicle. The front wheel suspension assemblies and/or the rear wheel suspension assemblies have a variable suspension characteristic which is controlled to vary in response to a steering angle exceeding a predetermined level in a manner such that the steering characteristic of the vehicle during steering operation is changed in a direction toward an oversteer characteristic as compared with the steering characteristic during non-steering operation. Specifically, the suspension characteristic of the front wheel suspension assemblies and/or the rear wheel suspension assemblies is changed to make the ratio of the suspension rate of each front wheel suspension assembly to that of each rear wheel suspension assembly smaller during steering operation than during non-steering operation. Also, the steering characteristic of the vehicle may be further controlled such that the understeer characteristic of the vehicle is stronger at high speed than at low speed.
REFERENCES:
patent: 2247749 (1941-07-01), De Venel
patent: 3321210 (1967-05-01), Delchev
patent: 3603612 (1971-09-01), Hill et al.
patent: 3608925 (1971-09-01), Murphy
Anan Yoshiaki
Ishimitsu Ikuo
Tanaka Takeshi
Tokunaga Toshimichi
Mazda Motor Corporation
Peters Jr. Joseph F.
Rice Kenneth R.
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