Fluid-pressure and analogous brake systems – Pipeless valves
Patent
1989-12-26
1991-06-04
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Pipeless valves
303100, 303111, 36442602, B60T 832
Patent
active
050208632
ABSTRACT:
An antilock control device is controlled according to first and second control modes. In the first control mode, first and second pressure control signals applied to the braking devices of the right and left front wheels are determined independently from one another. In the second control mode, both of the first and second pressure control signals are determined based on a locking tendency of the one of the right and left front wheels having a higher wheel speed than the other. A time duration is measured in which the first and second pressure control signals are each for continuously reducing, or alternately reducing and maintaining, the braking pressure of the right and left front wheels, respectively. The first control mode is selected when the time duration is less than a predetermined value, and the second control mode is selected when the time duration is more than a predetermined value.
REFERENCES:
patent: 4059312 (1977-11-01), Jonner
patent: 4933854 (1990-06-01), Miyake
Butler Douglas C.
Sumitomo Electric Industries Ltd.
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