Land vehicles – Wheeled – Running gear
Patent
1988-05-10
1989-09-26
Rice, Kenneth R.
Land vehicles
Wheeled
Running gear
280708, 280772, 280DIG1, 280840, B60G 1126
Patent
active
048695289
ABSTRACT:
An electronically controlled fluid suspension system for preventing the lateral roll of a vehicle computes a predetermined estimated lateral acceleration based on the running speed and the difference between the maximum steering angle and the minimum steering angle within a predetermined period. The supply and discharge of the air to and from the air springs is rapidly controlled corresponding to the estimated lateral acceleration so as to prevent the vehicle from rolling due to the steering operation. Moreover, the electronically controlled fluid suspension system computes a predetermined target vehicle height based on the lateral acceleration. After the air is supplied and discharged to and from the air springs and the increase of the lateral acceleration is stopped, the vehicle height is restored regardless of the external disturbance, by controlling the supply and discharge of the air corresponding to the vehicle height difference between the target vehicle height and the actual vehicle height.
REFERENCES:
patent: 4621833 (1986-11-01), Soltis
patent: 4624476 (1986-11-01), Tanaka et al.
patent: 4647069 (1987-03-01), Iijima
patent: 4652010 (1987-03-01), Sugasawa
patent: 4673194 (1987-06-01), Sugasawa
Aburaya Toshio
Buma Shuuichi
Ohwa Nobutaka
Takeda Osamu
Rice Kenneth R.
Toyota Jidosha & Kabushiki Kaisha
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