Load-dependent brake pressure regulator

Fluid-pressure and analogous brake systems – Load control – Responsive to fluid pressure spring

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Details

188195, B60T 818

Patent

active

047070374

ABSTRACT:
A brake pressure regulator for hydraulic brake systems of vehicles, which controls the required braking pressure on the rear axle as a function of the distribution of the axial load, in such a manner that no overbraking of the rear axle takes place. The regulator comprises an actuating piston for receiving an input brake pressure and in response generating a first force; a spring beam and a support for engaging the spring beam, the spring beam being adjustable in response to the vehicle load distribution for receiving the first force and in response generating a second force related to such vehicle load distribution according to a predetermined function corresponding to a degressive curve, the spring beam and the support being shaped to determine the predetermined function; and a control piston for receiving the second force and in response generating an output brake pressure.

REFERENCES:
patent: 3773367 (1973-11-01), Osborne et al.
patent: 3802750 (1974-04-01), Kawai
patent: 4142764 (1979-03-01), Kawaguchi
patent: 4198101 (1980-04-01), Oberthur

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