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US 11,746,875 B2Granted
Cam follower with polycrystalline diamond engagement element
AssigneeXR Reserve LLC
InventorsDavid P. Miess, Gregory Prevost, Michael V. Williams
Life of this patent
Estimating the term…
Abstract
A cam follower is provided. The cam follower includes a polycrystalline diamond element, including an engagement surface. The engagement surface of the polycrystalline diamond element is positioned on the cam follower for sliding engagement with an opposing engagement surface of a cam. The cam includes at least some of a diamond reactive material.
Claims22
A cam assembly, the cam assembly comprising:
- a cam follower, the cam follower including a polycrystalline diamond element, wherein the polycrystalline diamond element has an engagement surface of polycrystalline diamond;
- a cam, the cam having a surface comprising steel;
- and
- wherein the engagement surface of polycrystalline diamond is slidingly engaged with the surface comprising steel.
1 more element
A cam assembly, the cam assembly comprising:
- a cam follower, the cam follower including a polycrystalline diamond compact, wherein the polycrystalline diamond compact has an engagement surface of polycrystalline diamond;
- a cam, the cam having a surface comprising steel;
- and
- wherein the engagement surface of polycrystalline diamond is slidingly engaged with the surface of steel.
1 more element
A cam assembly, the cam assembly comprising:
- a cam follower, the cam follower including a polycrystalline diamond element, wherein the polycrystalline diamond element has an engagement surface of polycrystalline diamond;
- a cam, the cam having a metal surface comprising a metal, wherein the metal includes at least 2 wt. % of iron, cobalt, nickel, ruthenium, rhodium, palladium, chromium, manganese, copper, titanium, tantalum, or combination thereof based on a total weight of the metal;
- and
- wherein the engagement surface of polycrystalline diamond is slidingly engaged with the metal surface.
1 more element
Dependencies are inferred from the claim text.