Rough cast cylinder liner
AssigneeMahle International GmbH
InventorsThomas SMITH, Steffen RUDOLPH, Jesús Antonio MAGALLANES CASTAÑEDA
Life of this patent
Estimating the term…
Abstract
A cylinder liner for internal combustion engines has an outer roughened surface that has particularly good adherence properties. The surface has is covered with protrusions or spines of varying shapes and sizes, which are created by spraying the mold with a coating and then casting the cylinder liner in the mold. The spines are generally worm-shaped, with a length greater than a width, and a large spacing between the spines.
Claims10
A cast cylinder liner for an internal combustion engine, having an outer surface with a plurality of spines disposed thereon, each of the spines having a length that is greater than a width, wherein the width of each spine ranges from 0.3-1.5 mm and the length of each spine ranges from 0.4-3.2 mm, and wherein the liner has a spine count of 20-40 spines/cm2.
A cast cylinder liner for an internal combustion engine, having an outer surface with a plurality of spines disposed thereon, each of the spines having a length that is greater than a width, wherein the width of each spine ranges from 0.3-1.5 mm and the length of each spine ranges from 0.4-3.2 mm, and wherein the spines have an average perimeter measurement of 2.0-4.5 mm.
Dependencies are inferred from the claim text.