MAITRE CYLINDRE TANDEM HYDRAULIQUE ET ELECTRIQUE COMPORTANT UNE CHAMBRE DE SIMULATION A ISOLATION AMELIOREE

• Main Authors: NEN YANNICK, BERNADAT OLIVIER, BRAHMI OMAR, BEYLERIAN BRUNO
• Format: Patent
• Language: French
• Published: 11.01.2008
• Subjects: ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; PERFORMING OPERATIONS; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES; TRANSPORTING; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES; VEHICLES IN GENERAL

A tandem hydraulic/electrical master cylinder for a vehicle braking system comprises a primary piston with activating shaft, a return mechanism and a mechanism comprising a chamber to simulate the reaction of a braking force/stress on the shaft to control or exert a hydraulic pressure in a main pressure chamber. There is a secondary axial piston (22) where the means of isolation control by this piston are susceptible to isolation (46) of the simulation chamber through a radial by-pass channel (74) selectively axially sealable by a radial fluid-tight element (94) carried by the secondary piston.