Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1991-10-22
1993-12-28
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303100, 303110, B60T 832, B60T 866
Patent
active
052733505
ABSTRACT:
A first threshold value of a fixed amount of vehicle velocity arranged on the lower side of the vehicle velocity is set, and a second threshold value of a fixed amount of vehicle velocity also arranged on the lower side of vehicle velocity, which second threshold is greater than that of the first threshold value. The difference between vehicle velocity at maximum recovery velocity of wheel velocity and the maximum recovery velocity of the wheel velocity is compared with the first and second threshold values, and the next point at which a changeover is made to repressurization of brake fluid is altered in dependence upon the results of the comparison. Accordingly, repressurization of the brake cylinder is controlled in dependence upon the condition of the road surface on which the vehicle is traveling, and more appropriate antiskid braking control can be achieved.
REFERENCES:
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patent: 4883326 (1989-11-01), Sugitani et al.
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patent: 5028095 (1991-07-01), Okubo
patent: 5033799 (1991-07-01), Braschel
patent: 5092662 (1992-03-01), Okubo
patent: 5105359 (1992-04-01), Okubo
patent: 5123715 (1992-06-01), Okubo
Kushiyama Takashi
Satoh Jiro
Yagi Isao
Jidosha Kiki Co. Ltd.
Oberleitner Robert J.
Schwartz Chris
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