Internal-combustion engines – Combustion chamber – Having coating or liner
Patent
1987-10-20
1989-09-05
Okonsky, David A.
Internal-combustion engines
Combustion chamber
Having coating or liner
F02B 7508
Patent
active
048628646
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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Chromium Corporation
Okonsky David A.
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