| 摘要 |
PURPOSE:To reduce the size of brake by increasing the hydraulic pressure at the side of wheel cylinder in accordance with the power hydraulic pressure then applying on the wheel cylinder. CONSTITUTION:The brake pedal 11 is stepped to produce the hydraulic pressure from tandem master cylinder 10. Said pressure is transmitted through oil path 16 to the hydraulic converter 20 to be regulated to high pressure which sets the valve bodies 33C, 43C at closing sections 30, 40 in the valve seats 36, 46 thus to separate the front brake system into oil paths 13, 14 while the rear brake system into oil paths 16, 17. The power hydraulic pressure moves the pistons 54, 64 in the actuators 51, 61 through changing valves 70, 80 to the right thus to increase the brake hydraulic pressure in the small diameter cylinders 53, 63 and to apply large braking force on the wheel through front and rear wheel cylinders 12, 15. |
