TORSION OSCILLATION DAMPER, IN PARTICULAR FOR THE CLUTCH DISC OF A FRICTION DISC CLUTCH OF A MOTOR VEHICLE

摘要

P THE INVENTION RELATES TO HYDRAULIC DAMPING DEVICES. / P P THIS TORSION OSCILLATION DAMPER IS OF THE TYPE COMPRISING AT LEAST ONE CHAMBER THAT A PISTON DIVIDES IN THE CIRCUMFERENTIAL DIRECTION INTO TWO COMPARTMENTS INCLUDING THE VOLUME RATIO VARIES WITH THE RELATIVE ROTATION OF THE TWO ELEMENTS OF THE SHOCK ABSORBER, THEREBY LIQUID THROUGH ONE OF THESE CHAMBERS BY A ROLLING ORIFICE. / P P FOLLOWING THE INVENTION, EACH ROOM IS FORMED BY TWO EVENTS 33, 35 POSSESSING DIFFERENT VOLUMES AND THE PISTON IS CONSTITUTED BY A ROLLER BODY 37 THAT ROLLERS ON THE FUNDS 43, 45 OF THE TWO EVENTS, PREFERABLY WITH AN ELASTIC CONSTRAINT. / P P MAIN APPLICATION: TORSION VIBRATION SHOCKS FOR FRICTION CLUTCH DISCS FOR MOTOR VEHICLES. / P