Brake pressure control system of vehicle load responsive type

Details Brake pressure control system of vehicle load responsive type Brake pressure control system of vehicle load responsive type

1987-05-06

1988-06-14

Kashnikow, Andres

Fluid-pressure and analogous brake systems

Load control

303 228, 303 56, 188195, 267179, B60T 818, F16F 112

Patent

active

047507861

ABSTRACT:
A brake pressure control system for a wheeled vehicle includes a swingable lever pivotally mounted at a first end portion thereof to a sprung mass of the vehicle such as a body frame, a first tension coil spring connected at a first end thereof to the sprung mass and at a second end thereof to a second end portion of the swingable lever to bias the lever toward the sprung mass, a second tension coil spring connected at a first end thereof to an unsprung mass of the vehicle such as a wheel axle and at a second end thereof to the second end portion of the swingable lever to bias the lever against the biasing force of the first spring, a bushing rotatably mounted on the second end portion of the swingable lever, the bushing being formed with a first support portion for retaining the second end of the first spring and a second support portion for retaining the second end of the second spring, and a modulator valve secured to the sprung mass and incorporated in a hydraulic connection between a master cylinder and a wheel brake cylinder, the modulator valve having a spring-loaded valve member which is carried on the swingable lever to be applied with a biasing force proportional to the vehicle load.

REFERENCES:
patent: 3362758 (1963-01-01), Goerke et al.
patent: 3506313 (1970-04-01), Lawson
patent: 4058347 (1977-11-01), Reinecke

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