Boots – shoes – and leggings
Patent
1990-02-26
1992-06-02
Black, Thomas G.
Boots, shoes, and leggings
280707, B60G 1126
Patent
active
051192977
ABSTRACT:
In a hydraulic active suspension system, a plurality of actuators having working fluid chambers are provided corresponding to vehicle wheels. Each actuator is adapted to increase or decrease vehicle height in response to the hydraulic pressure within its working fluid chamber. The hydraulic pressures within the working fluid chambers are controlled to their desired pressure by associated pressure control devices. A desired pressure computing device is further provided. The computing device calculates the actual values of roll, pitch, heave and warp of a vehicle body from the vehicle heights detected by detecting devices and calculates the differences between the actual values and the associated values of roll, pitch, heave and warp determined by a desired attitude of the vehicle body to compute the desired pressures for the actuators. The degrees of the roll and/or pitch differences are set to be higher than that of the warp difference in contributing to the determination of the desired pressures.
REFERENCES:
patent: 4830397 (1989-05-01), Watanabe et al.
patent: 4887840 (1989-12-01), Harara et al.
patent: 4898257 (1990-02-01), Brandstadter
patent: 4949262 (1990-08-01), Buma et al.
patent: 4969662 (1990-11-01), Stuart
Aburaya Toshio
Buma Shuuichi
Ikemoto Hiroyuki
Ohashi Kaoru
Onuma Toshio
Black Thomas G.
Toyota Jidosha & Kabushiki Kaisha
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