Fluid-pressure and analogous brake systems – Speed-controlled – Pressure reapply control
Patent
1995-11-17
1998-05-05
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Pressure reapply control
3031461, 364426015, G06F 770
Patent
active
057464871
ABSTRACT:
An anti-skid control system for an automotive vehicle includes a hydraulic pressure source, a wheel brake for braking a wheel, a pressure control valve interposed between the hydraulic pressure source to the wheel brake in order to regulate a hydraulic braking pressure supplied from the hydraulic pressure source and the wheel brake, the pressure control valve being brought into a duty-cycle pressure-increasing mode operation and a pressure-decreasing mode operation for increasing and decreasing the hydraulic braking pressure, respectively. The duty-cycle pressure-increasing mode operation are repeated such that the pressure-decreasing mode operation is established therebetween. A later pressure-increasing mode operation is treated as a succession of the previous pressure-increasing mode operation if a time duration required for the pressure-decreasing mode operation between the previous and later pressure-increasing mode operations is less than a set value.
REFERENCES:
patent: 4209203 (1980-06-01), Brearley
patent: 4912641 (1990-03-01), Kuwana et al.
patent: 4921314 (1990-05-01), Braschel et al.
patent: 4985839 (1991-01-01), Dominke
patent: 5265947 (1993-11-01), Wupper et al.
patent: 5295738 (1994-03-01), Matsuura et al.
Naito Takeshi
Nishio Akitaka
Aisin Seiki Kabushiki Kaisha
Lipka Pamela J.
Oberleitner Robert J.
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