Internal combustion engine cylinder liner coatings

Details Internal combustion engine cylinder liner coatings Internal combustion engine cylinder liner coatings

1986-06-23

1987-11-17

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123193C, 123668, F02F 116

Patent

active

047066164

ABSTRACT:
A cylinder liner mounted within an internal combustion engine cylinder block has a coating of a wear and seizure resistant material such as a ceramic applied to the inside surface of its upper portion. The inside surface of the cylinder liner lower portion, which is subject to lower temperatures than is the upper portion, has a coating of a commercially available surface treatment composition composed principally of manganous phosphote. The use of this surface treatment composition makes the inside surface treatment of the cylinder liners significantly less expensive without adversely affecting the engine performance than if the complete inside surface is coated with the wear and seizure resistant material.

REFERENCES:
patent: 1820878 (1931-08-01), Wyckoff
patent: 2914048 (1959-11-01), Philipp
patent: 3620137 (1971-11-01), Prasse
patent: 4344390 (1982-08-01), Heydrich et al.
patent: 4398527 (1983-08-01), Rynbrandt
patent: 4495907 (1985-01-01), Kamo
patent: 4530340 (1985-07-01), Totman

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