Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1984-01-26
1986-12-02
Stoner, Jr., Bruce H.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303 6A, 303 6C, 303 96, B60T 802
Patent
active
046260420
ABSTRACT:
An anti-locking system is provided for a two-wheel road vehicle which is equipped with electro-hydraulic braking pressure control equipment, which generates the driving signals necessary for appropriate driving or braking pressure control valves by processing wheel rotational speed sensor output signals. In order to obtain both good braking effect and good driving stability when the control equipment responds, the brake slip .lambda..sub.F of the front wheel is controlled to a value which is always less than the rear wheel brake slip .lambda..sub.R. The control responds if, on the one hand, critical values of the wheel deceleration are exceeded and/or, on the other hand, if the brake slip .lambda..sub.F on the front wheel exceeds a threshold value still considered as permissible. As part of the anti-locking system, the braking installation is so designed that for both manual actuation and pedal actuation both wheel brake circuits respond with the installed braking force distribution. This is so arranged that for adhesion coefficients of more than 0.3 between the track and the wheel, the rear wheel would lock before the front wheel should the control equipment not operate.
REFERENCES:
patent: 3467444 (1969-09-01), Leiber
patent: 3630579 (1971-12-01), Rodi
patent: 3948568 (1976-04-01), Leiber
patent: 3980344 (1976-09-01), Burckhardt
patent: 4465322 (1984-08-01), Hayashi
patent: 4485445 (1984-11-01), Braschel
Maierbacher, "Zwei auf einen Tritt", Motorrad, 3-4-1981, pp. 119-122.
Leiber et al., "Autiblockiensystem fur Personenwagen mit digitaler Elektronik-Aufbau und Funktion", Autorobitechnische Zeitschrift, 81 (1979), pp. 569-571, 577, 578, 583.
Daimler-Benz Aktiengesellschaft
Oberley Alvin
Stoner Jr. Bruce H.
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