Actuator for antiskid device of vehicle

Details Actuator for antiskid device of vehicle Actuator for antiskid device of vehicle

1984-08-31

1986-07-01

Reger, Duane A.

Fluid-pressure and analogous brake systems

Speed-controlled

Having a valve system responsive to a wheel lock signal

B60T 802

Patent

active

045976112

ABSTRACT:
An actuator adapted to be used with the antiskid device of a vehicle and which includes cutoff valves which are capable of dividing each of the brake lines connecting the brake master cylinder of the vehicle to each brake cylinder at the wheels into two. The actuator further includes an electric motor and a high-pressure pump driven by the motor for forcing brake fluid into an accumulator. The brake fluid is also used as a mechanism for reducing braking effort when such are almost locked, i.e., for unlocking the wheels. The accumulator stores this unlocking fluid which is sufficiently pressurized to be greater than the maximum pressure that the brake fluid is under for braking action. Each piston taking the form of a right circular cylinder is advanced by the brake fluid and is withdrawn by the unlocking fluid supplied from the accumulator, so that the piston closes and opens the corresponding cutoff valve.

REFERENCES:
patent: 3722960 (1973-03-01), Von Lowis
patent: 4492414 (1985-01-01), Kozakai et al.

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