Finish for cylinder liners

Details Finish for cylinder liners Finish for cylinder liners

1987-03-10

1987-11-17

Olszewski, Robert P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51290, 51411, 123193C, 384 13, B24C 100

Patent

active

047064170

ABSTRACT:
A finish for a cylinder liner is provided by first treating the entire inner surface area of the cylinder liner to form a base porosity. An abrasive media is then applied only to portions of the inner surface area to create an extremely light break-in surface, preferably in a pattern such that at any axial location of a piston ring in the cylinder, its periphery is in contact with both the areas of the break-in surface as well as the areas of base porosity to which the break-in surface has not been applied.

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