Vehicle suspension apparatus

Boots – shoes – and leggings

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Details

280 6H, 280707, B60G 2106

Patent

active

046972374

ABSTRACT:
A microcomputer performs roll control and communication control. In roll control, when the steering state detecting means and vehicle velocity detecting means detect a factor which causes a roll state of the vehicle body, a second control signal is produced to open desired supply and exhaust control valve so as to supply a preset amount of fluid to the fluid spring chambers of contracted suspension units and to exhaust a preset amount of fluid from the fluid spring chambers of stretched suspension units. In communication control, a first control signal is supplied to the communicating means to open the communication control valve when the steering state sensor detects that the steering angle falls within a preset steering angle and to close the communication control valve otherwise. After generation of the first control signal, when the steering state sensor detects that the steering direction of the steering wheel is in a return direction toward the neutral position and the steering angular velocity is lower than a preset steering angular velocity, a third control signal is supplied to the communicating means so as to open the communication control valve. When the steering state sensor detects, a third preset time after a second preset time from the generation of the third control signal, that the steering angle has reached the preset neutral range, a fourth control signal is produced to close the communication control valve for a fourth preset time.

REFERENCES:
patent: 4345661 (1982-08-01), Nishikawa
patent: 4564214 (1986-01-01), Tokunaga et al.
patent: 4616163 (1986-10-01), Kanai et al.
patent: 4621832 (1986-11-01), Nakashima et al.

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