Fluid-pressure and analogous brake systems – Pipeless valves
Patent
1989-04-19
1990-01-30
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Pipeless valves
188181C, 303 97, 303100, 303103, B60T 882
Patent
active
048969249
ABSTRACT:
An antiskid device according to this invention controls the hydraulic pressure to vehicle brakes based on the rotational speed of the wheel having the smallest coefficient of friction until a standard vehicle velocity becomes less than a predetermined velocity. Further, the antiskid device controls the hydraulic pressure to the brakes based on the speed of each wheel if the standard vehicle velocity becomes less than the predetermined velocity. Accordingly, directional stabilization of the vehicle is maintained when the vehicle runs at high speed, and at low speed, the braking range for stopping the vehicle is mainimized by utilizing the braking force more efficiently.
REFERENCES:
patent: 3958834 (1976-05-01), Takeuchi et al.
patent: 4420191 (1983-12-01), Arikawa et al.
patent: 4652060 (1987-03-01), Miyake
patent: 4657313 (1987-04-01), Fennel et al.
patent: 4718735 (1988-01-01), Ogino
patent: 4755945 (1988-07-01), Kade et al.
patent: 4802711 (1989-02-01), Muto et al.
Kuwana Kazutaka
Miyachi Tetsuya
Sakane Shinsuke
Yoshida Tsuyoshi
Aisin Seiki Kabushiki Kaisha
Butler Douglas C.
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