Method of providing a cylinder bore liner in an internal combust

Details Method of providing a cylinder bore liner in an internal combust Method of providing a cylinder bore liner in an internal combust

1996-12-05

2000-04-04

McMahon, Marguerite

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

123668, F02B 7702

Patent

active

060448202

ABSTRACT:
A method of making an engine block for an internal combustion engine comprising making an engine block with cylinder bores, forming a spray-formed cylinder liner with a predetermined internal diameter and a predetermined external diameter, heating the cylinder block, inserting the cylinder liner in the bore, and permitting the cylinder block to cool such that the liner is locked in position in the bore by compressive forces. The spray-formed cylinder liner comprises a cylindrical body made of a material having predetermined thermal characteristics, wear resistant and scuff resistant materials. The cylindrical body has an external surface formed by spray forming and an internal surface formed by spray forming. The liner can have a single spray-formed layer or multiple spray-formed layers of different materials. The spray-formed liner is preferably heat treated in an inert atmosphere before being inserted in the block. In one form, the spray-formed liner has a radial flange at one end.

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