Seal for cylinder liner assembly and method for making the same
AssigneeCaterpillar Inc.
InventorsGregory O. Potts, Martina Shubham Nipanikar
Life of this patent
Estimating the term…
Abstract
A cylinder liner seal includes an annular seal body defining a seal center axis, a first seal surface, and a second seal surface positioned opposite to the first seal surface. The first seal surface is contoured to form a first plurality of seal beads extending circumferentially around the seal center axis, and the second seal surface is contoured to form a second plurality of seal beads extending circumferentially around the seal center axis. Each of the first plurality of seal beads and the second plurality of seal beads define a plurality of peaks alternating with a plurality of troughs together forming a sinusoidal profile. A cylinder liner assembly and methodology of making the same are also disclosed.
Claims8
A cylinder liner assembly comprising:
- a cylinder liner having a cylinder liner body defining a center axis, and a seal groove formed in the cylinder liner body extending circumferentially around the center axis;
- a seal seated in the seal groove and formed as a one-piece body, and including a plurality of inner seal beads extending in parallel with one another circumferentially around the center axis and in sealing contact with the cylinder liner body, and a plurality of outer seal beads;
- and
- the seal is deformable in opposition to an internal bias from an axially oriented flat rest configuration to a cylindrical configuration.
A cylinder liner assembly comprising:
- a cylinder liner having a cylinder liner body defining a center axis, and a seal groove formed in the cylinder liner body extending circumferentially around the center axis;
- and
- a seal seated in the seal groove and including a plurality of inner seal beads formed by a first seal surface and extending in parallel with one another circumferentially around the center axis and in sealing contact with the cylinder liner body, and a plurality of outer seal beads formed by a second seal surface;
- wherein the seal is formed of a seal material, and the seal material extends continuously from the first seal surface to the second seal surface.
A engine assembly comprising:
- a cylinder block;
- a cylinder liner located in the cylinder block, the cylinder liner defining a center axis and having a seal groove formed in the cylinder liner extending circumferentially around the center axis;
- and
- a seal seated in the seal groove and including a plurality of inner seal beads extending in parallel with one another circumferentially around the center axis and in sealing contact with the cylinder liner body, and a plurality of outer seal beads;
- the plurality of outer seal beads including one or more outer seal beads in a state of greater compression in contact with the cylinder block and one or more outer seal beads in a state of lesser compression in contact with the cylinder block.
Dependencies are inferred from the claim text.