Dry cylinder liner for internal combustion engines
AssigneeTeikoku Piston Ring Co., Ltd.
InventorKazunori Mizutani
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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.
Claims8
A dry liner for internal combustion engines having a flange at the outer circumference of a liner barrel, said liner barrel being inserted into the bore of a cylinder block, said flange being fastened between a cylinder head and said cylinder block, wherein a coating film comprising a heat resistant resin containing a solid lubricant is provided between the lower surface of said flange and the upper surface of said cylinder block.
Dependencies are inferred from the claim text.