VISCOUS FRICTION AND FRICTION COUPLER AND USE THEREOF, IN PARTICULAR FOR ONE OF THE AXLES OF A FOUR-DRIVE MOTOR VEHICLE

摘要

P THIS COUPLING OR CLUTCH INCLUDES DISCOID BLADES 12, 26 ALTERNATIVELY CONNECTED TO A CRANKCASE 2 AND A HUB 3, THE INNER SPACE 13 REMAINING FREE BETWEEN THE BLADES BEING FILLED AT LEAST PARTIALLY WITH A VISCOUS LIQUID. THE VISCOUS DULIQUID PRESSURE IN THE INTERIOR SPACE 13 IS ADJUSTABLE BY A 4-CYLINDER PISTON ASSEMBLY 28. IN THE DISCOUPLED CONDITION, THE INTERIOR SPACE 13 OF THE CRANKCASE 2 IS UNDER ATMOSPHERIC PRESSURE. THE TRANSMISSIBLE TORQUE CAN SO VARY IN A WIDE RANGE. /P