Dry cylinder liner for internal combustion engines

Internal-combustion engines – Particular piston and enclosing cylinder construction – Cylinder detail

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F02F 108

Patent

active

055821448

ABSTRACT:
A dry cylinder liner has a flange at the outer circumference of the upper part of a liner barrel, and also has a grind relief groove formed below the flange at the outer circumferential surface of the liner barrel. The upper surface and the lower surface of the flange are coated with a coating film comprising a heat resistant resin containing a solid lubricant. The coating film may also be applied to only the lower surface of the liner flange. This coating film may also be applied to the upper surface of a cylinder block that contacts the lower surface of the liner flange.

REFERENCES:
patent: 3620137 (1971-11-01), Prasse
patent: 4791891 (1988-12-01), Kubis et al.
patent: 5148780 (1992-09-01), Urano et al.
patent: 5408964 (1995-04-01), Rao

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