Land vehicles – Wheeled – Running gear
Patent
1990-08-28
1992-01-07
Rice, Kenneth R.
Land vehicles
Wheeled
Running gear
73 11, 36442405, B60G 1700
Patent
active
050784218
ABSTRACT:
A suspension pressure control system on a vehicle applies a pressure which is proportional to a current level supplied to a solenoid of a pressure control valve to a shock absorber associated with respective one of suspensions from the valve. An electronic controller controls the current level to maintain an attitude of a vehicle substantially constant in spite of any change of longitudinal and lateral acceleration, which are detected by acceleration sensors. If a driver on the vehicle closes test indication switches TSW1 and TSW2, indicates "high" by a height indication switch HSW and rotates a steering wheel on the vehicle by B toward right, the vehicle laterally inclines such that a height of the left side of the vehicle rises up and a right side falls down responding to the rotation of the steering wheel. The inclination increases as the rotation of the steering wheel increases. The inclination decreases when the steering wheel rotates inverse direction toward the neutral position. When the steering wheel rotates beyond the neutral position toward left, the vehicle laterally inclines such that the height of the left side of the vehicle calls down and the right side rises up responding to the rotation of the steering wheel.
REFERENCES:
patent: 4517832 (1985-05-01), Holland et al.
patent: 4975849 (1990-12-01), Ema
patent: 4979388 (1990-12-01), Needleman et al.
patent: 4993744 (1991-02-01), Hiromoto
Aburaya Toshio
Buma Shuuichi
Iguchi Yutaka
Kawanishi Masaki
Kokubo Kouichi
Aisin Seiki Kabushiki Kaisha
Finlay Tamara L.
Rice Kenneth R.
Toyota Jidosha & Kabushiki Kaisha
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