| 摘要 |
A brake system includes a master cylinder 12 for generating a brake fluid pressure. The brake fluid pressure is supplied to a first wheel brake 13 via a switching valve 45 and a first normally opened solenoid valve 17. The brake fluid pressure is also supplied to a second wheel brake 14 via the switching valve 45 and a second normally opened solenoid valve 19. The first wheel brake and the second wheel brake are associated with a oneway fluid pressure pump 47. Each of the switching valve, the solenoid valves and the pump is independently controllable. By selecting condition of each of the switching valve, the solenoid valves and the pump, the brake fluid pressure supplied to each the wheel brake is adjustable depending on what kind of function which the brake system is going to fulfil, i.e. anti-skid, traction control, rear/front pressure distribution, and stability control when cornering. Orifices 39, 41 may be replaced by normally open solenoid valves (70, 71, Fig. 2). <IMAGE>
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