Patent ID: 9028353
Filing Date: 2015-05-12
Classification: F16H

Abstract:
1. A pulley for transmitting rotational motion between first and second rotating shafts with a belt on an automobile engine, the pulley being fixed to the first rotating shaft, the pulley comprising: a body having a cylindrical central hole for receiving the first rotating shaft and mounting the body onto the first rotating shaft on the automobile engine, the cylindrical central hole defining a central axis about which the body rotates, the body having at least one groove formed circumferentially about the central axis for receiving the belt, a friction material laser infused to less than 100% of the at least one groove, the at least one groove defining a valley and a peak, the body fabricated from a metallic material; and the friction material laser infused solely to an outer surface of the body and to the at least one groove from the peak to the valley of the at least one groove, the friction material being a powdered metallic material or powdered oxide material.