| 摘要 |
PURPOSE:To improve the decompression performance by carrying out the antiskid control and the traction control by using the capacity control valves independently installed and controlling the both controls so as not to be interfered with each other. CONSTITUTION:A brake hydraulic pressure circuit 11 in which a capacity control valve 5 for controlling antiskid, two-position selector valve 7, and a capacity control valve 9 for controlling traction are connected in series is installed in a brake hydraulic conduit between a master cylinder 1 and a wheel cylinder 3. The first and the second solenoid valve 15 and 17 are installed between each capacity control valve 5, 9 and a hydraulic pressure feeding source 13 for generating the hydraulic pressure for operation the control valves 5 and 9. Each solenoid valve 15, 17 is controlled in accordance with the wheel slip state by an electronic control circuit 19, and when the start of the traction control is judged, the two-position selector valve 7 is controlled so as to be switched to the cut-off state.
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