Skid-sensing means for vehicle hydraulic anti-skid braking syste

Details Skid-sensing means for vehicle hydraulic anti-skid braking syste Skid-sensing means for vehicle hydraulic anti-skid braking syste

1986-03-06

1988-03-15

Reger, Duane A.

Brakes

Operators

Speed-responsive

303116, B60T 816

Patent

active

047307056

ABSTRACT:
A flywheel mechanism acts on a dump valve through a lever assembly. The lever assembly comprises a lever which carries an arm at an intermediate point in its length and the arm projects through a seal into a chamber in a casing to co-operate with a valve member of the dump valve which is engageable with a seating. The arm is pivotally connected to the casing by a pivot pin of which the axis is offset from the main axis of the arm in a direction towards the flywheel mechanism. Brake pressure acts on the arm to move it angularly about the pin in a direction to enhance the closing force of the dump valve. Offsetting the pin ensures that the flywheel mechanism has to generate a relatively higher torque on good surfaces when relatively high brake pressures are present before the dump valve will open, than on poor surfaces when the brake pressures are relatively low.

REFERENCES:
patent: 2656017 (1953-10-01), Trevaskis
patent: 3433535 (1969-03-01), Horvath
patent: 4353440 (1982-10-01), Farr

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