Antiski brake control system
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United States of America Patent
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-
Jun 22, 1993
Issued Date -
N/A
app pub date -
Sep 3, 1992
filing date -
Oct 23, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An antiskid brake control system includes a supply passageway (16) bypassing a pressure-compensated flow control valve (13), and a check valve (22), which allows flow of brake fluid only toward a wheel cylinder, or a check valve (23), which allows flow of brake fluid only away from the wheel cylinder, is provided inside the supply passageway (16) and arranged in series with an orifice (15). Accordingly, antiskid brake control is such that either slow and fast pressurization modes, a fast depressurization mode and a holding mode or slow and fast depressurization modes, a fast pressurization mode and a holding mode are established. A sudden fluctuation in braking hydraulic pressure can be suppressed by establishing the holding mode when there is a transition from the fast depressurization mode to the fast pressurization mode or from the fast pressurization mode to the fast depressurization mode. Since this prevents a large fluctuation in the speed of adjustment, riding comfort is greatly improved during antiskid braking control and kickback developed by a brake pedal is suppressed, thereby improving driving feeling.
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