Cylinder liner and method construction thereof

Details Cylinder liner and method construction thereof Cylinder liner and method construction thereof

2007-06-22

2009-11-17

Kamen, Noah (Department: 3741)

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

C123S193200, C029S888061

Reexamination Certificate

active

07617805

ABSTRACT:
A cylinder liner for receipt in an internal combustion engine cylinder block having a water cooling jacket surrounding a portion of the cylinder liner and method of construction thereof. The cylinder liner has a wall with an inner surface providing a cylinder bore extending along a central axis for reciprocation of a piston against an axial portion thereof and an outer surface opposite the axial portion. The outer surface has a hardened outer layer of purely martensitic microstructure for direct exposure to fluid in the water cooling jacket.

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