Powdered metal cylinder liners

Details Powdered metal cylinder liners Powdered metal cylinder liners

1995-08-18

1998-05-12

McMahon, Marguerite

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

B22F 706

Patent

active

057493316

ABSTRACT:
A cylinder liner for use in an internal combustion engine having a cylinder block with a cylinder bore adapted to carry a piston therein. The liner comprises a body formed from a powdered metal material, the body formed therefrom being rigid and wear resistant. The body comprises a smooth, inner, piston-directing surface; an outer, cylinder bore-contacting surface; and an upper, combustion containing area. A mechanism is provided for improving transfer of heat from the combustion containing area to the cylinder block. A mechanism, disposed within the piston-directing surface, is provided for improving piston scuff resistance while maintaining piston-directing surface smoothness.

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SAE Technical Paper Series,"Isostatic Drybag Compacted Powder Metallurgical Cylinder Liner, Applications & Properties", Ola Pettersson Detroit, MI, Feb. 24-28, 1992.

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