Roller lifter lubrication guide

摘要

A roller lifter or hydraulic roller lifter, including a lifter body, a roller, axle, internal piston assembly and a lubrication guide depression at a lower wall of the lifter body to direct lubricant to the roller and roller axle.

主权项

1. A roller lifter for a valvetrain of an internal combustion engine comprising:
a hollow cylindrical lifter body including:
a push rod contact surface arranged to contact a push rod at an upper axial end of the hollow cylinder lifter body;a lower axial wall;two radially opposed struts extending axially from the lower axial wall; and,the two radially opposed struts having radial axle supports; a cylindrical roller having a through bore; a support axle extending at least partially through the two radially opposed struts radial axle supports and through the roller through bore to support the roller between the two radially opposed struts; an external port located at an outer radial surface of the hollow cylindrical lifter body arranged to receive a lubricant, the external port extending through the hollow cylindrical lifter body to direct lubricant to an internal port in the lower axial wall; and, at least one depression in the lower axial wall proximate the internal port to direct the lubricant from the internal port towards the two radially opposed struts and support axle.