Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1975-04-28
1977-02-15
Kunin, Stephen G.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
188181C, B60T 810
Patent
active
040079716
ABSTRACT:
An anti-skid control system for vehicles wherein, in view of the fact that while it is desirable for a vehicle anti-skid control system to detect the speed of the vehicle body and the speed of the wheel to positively prevent the skidding of the vehicle, it is very difficult to detect the speed of the vehicle body, a plurality of control patterns for decreasing the wheel speed to prevent the locking of the wheels under an excessively large braking pressure are predetermined, whereby the selection among the control patterns is effected according to the conditions of the road surface detected by a vehicle body deceleration sensor and a reference wheel speed according to the selected control pattern is compared with the actual wheel speed to forcibly reduce the braking pressure when there is a tendency for the wheels to lock, thereby preventing the locking of the vehicle and hence the skidding of the vehicle without detecting the speed of the vehicle body.
REFERENCES:
patent: 3724903 (1973-04-01), Okamoto et al.
patent: 3764817 (1973-10-01), Nakamura et al.
patent: 3832008 (1974-08-01), Leiber et al.
patent: 3834770 (1974-09-01), Fleischer et al.
Nogami Takahiro
Ohta Jun
Okamoto Atutoshi
Sugiura Akio
Kunin Stephen G.
Nippondenso Co. Ltd.
Toyota Jidosha Kogyo Kabushiki Kaisha
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