Master cylinder for hydraulically actuated brakes for automotive

Details Master cylinder for hydraulically actuated brakes for automotive Master cylinder for hydraulically actuated brakes for automotive

1983-03-04

1985-01-08

Garrett, Robert E.

Power plants

Pressure fluid source and motor

Pulsator

60592, F15B 708

Patent

active

044920822

ABSTRACT:
A master cylinder for hydraulically actuated brakes for automotive vehicles includes at least one master cylinder piston with a piston return spring anchored by a central clamping member and a valve body which is slidable relative to the master cylinder piston and which opens a compensating port in the master cylinder piston when the return spring is relieved. The valve body carries an elastic sealing element at its end face close to the compensating port. The outer diameter of the elastic sealing element is greater than the diameter of the compensating port. A pin shaped on the valve body extends through the sealing element and is adapted to plunge into the compensating port on approach of the valve body to the piston end surface which surrounds the compensating port, thus preventing the sealing element from penetrating into the compensating port.

REFERENCES:
patent: 4114378 (1978-09-01), Stanuszek

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