Cylinder liners and methods for making cylinder liners

Details Cylinder liners and methods for making cylinder liners Cylinder liners and methods for making cylinder liners

2006-06-05

2010-02-23

Kamen, Noah (Department: 3741)

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

C029S888061

Reexamination Certificate

active

07665440

ABSTRACT:
A method for making cylinder liners and cast engine blocks having cylinder liners having a strong mechanical bond with the engine block. The method includes providing a cast metallic cylinder liner having an outer surface of the cylinder liner. The surface of the cylinder liner is preferably machined to remove surface effects or defects present from the casting process. Grit particles are directed at the outer surface of the cylinder liner with a grit blasting device at a predetermined angle of contact at a sufficient velocity to form cavities on the outer surface. The cavities that are formed have a geometry capable of forming a mechanical bond with the casting material of the engine block.

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