| 摘要 |
A combination regenerative and friction braking system for an automotive vehicle includes an active booster master cylinder and a number of wheel cylinders connected to the master cylinder. A brake control unit is connected with brake pipes extending from the master cylinder to the wheel cylinders. At least one pressure reducing valve is positioned in one of the brake pipes so as to allow the active booster master cylinder to actuate selective ones of the wheel cylinders during regenerative braking without activating wheel cylinders servicing wheels which are being braked regeneratively.
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