Power plants – Pressure fluid source and motor – Pulsator
Patent
1979-06-26
1982-01-26
Hershkovitz, Abraham
Power plants
Pressure fluid source and motor
Pulsator
60554, 60556, 91460, F15B 700
Patent
active
043121829
ABSTRACT:
The invention relates to a hydraulic control, particularly for automobile brake systems having two separate independent brake circuits, in which a master cylinder comprises a first chamber in which pressure is controlled by the driving-in of a master piston under the action of a brake pedal, the first chamber forms a part of a first hydraulic closed system comprising a first brake circuit, the master cylinder also has a second pressure chamber forming part of a second closed system comprising a second brake circuit. The second chamber is adapted to be fed by a source of fluid pressure and the master cylinder is provided with a plunger the opposite faces of which are respectively subjected to the pressures of the two closed systems. The master piston is disposed in the first chamber coaxially with the plunger in such a manner as to permit mechanical intervention in the event of hydraulic failure in the first closed system. The feature of the invention resides in the mounting of the piston in a part accommodated in the body of the master cylinder.
REFERENCES:
patent: 2852920 (1958-09-01), Stelzer
patent: 2883830 (1959-04-01), Stelzer
patent: 3545206 (1970-12-01), Belart
patent: 3698190 (1972-10-01), Miyai
patent: 3874745 (1975-04-01), Peruglia
Hershkovitz Abraham
Societe Anonyme Francaise du Ferodo
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