Patent ID: 7644814

Claim:
A supercharger drive pulley, comprising: an inner hub; an outer drive pulley; wherein one of the inner hub and the outer drive pulley is drivingly connected to a drive shaft of a supercharger for driving the supercharger and the other of the inner hub and the outer drive pulley is drivingly connected to an engine for being driven by the engine; a one way drive clutch drivingly engaged between the inner hub and the outer drive pulley to allow driving torque from the engine to be transmitted to the supercharger in one direction and to allow the supercharger to freewheel in conditions where it overruns the engine; a front seal and a rear seal positioned between the inner hub and the outer drive pulley respectively in front of and behind the one way drive clutch to form an enclosed clutch area for containing lubricant for the one way drive clutch; and first and second lubrication ports positioned at a front of the inner hub and connecting to the enclosed clutch area for lubricating the enclosed clutch area from a front of the supercharger drive pulley.