| 摘要 |
An in-stop brake system immediately operates an in-stop brake when a braking force, which is generated by a driver stepping on a brake pedal while a motor vehicle is in a stopped condition, exceeds a predetermined braking force, thereby providing necessary and sufficient in-stop braking force at any time required. The in-stop brake system includes an operation decision section for allowing the in-stop brake to be operated when the braking force generated by the stepping-on of the brake pedal becomes larger than a predetermined braking force under the conditions that the motor vehicle is in the stopped condition and that an accelerator pedal is in a released condition, the operation decision section being further operable to inhibit the operation of the in-stop brake when the accelerator pedal is stepped on. Also included in the in-stop brake system is a valve drive section for closing an opening and closing valve installed in a brake fluid passage between a master cylinder and a wheel cylinder when the operation decision section permits the operation of the in-stop brake and for opening the opening and closing valve when it inhibits the operation of the in-stop brake.
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