Patent 10337601 was granted and assigned to Bell Helicopter on July, 2019 by the United States Patent and Trademark Office.
A gear includes a toothed portion that has a plurality of teeth, an inner wall that defines a cavity, and a lubricant feed aperture. The lubricant feed aperture extends from the inner wall portion to a surface of a tooth. The lubricant feed aperture can deliver lubricant from the cavity to the surface of the tooth.