Actuator assemblies for hydraulic braking systems

Details Actuator assemblies for hydraulic braking systems Actuator assemblies for hydraulic braking systems

1974-01-15

1976-07-06

Blix, Trygve M.

Fluid-pressure and analogous brake systems

Inertia control

188181A, 303 10, 303 21AF, B60T 806

Patent

active

RE0288900

ABSTRACT:
In an actuator assembly for an hydraulic braking system the effective volume of a chamber through which hydraulic fluid under pressure is supplied to a wheel brake is adapted to be varied between a minimum and a maximum value by movement of a piston assembly working in a bore in communication with the chamber. An actuator piston having first and second different faces of different areas normally holds the piston assembly in a position in which the effective volume of the chamber is at a minimum until equal hydraulic pressures are applied to the areas of the actuator piston to cause the actuator piston to retract and permit the piston assembly to be withdrawn whereby the effective volume of the chamber is increased.

REFERENCES:
patent: 3544171 (1970-12-01), Lester et al.
patent: 3556609 (1971-01-01), MacDuff
patent: 3556615 (1971-01-01), Stelzer
patent: 3560056 (1971-02-01), Stelzer
patent: 3576350 (1971-04-01), Larsen

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