Durable cylinder liner and method of making the liner

Details Durable cylinder liner and method of making the liner Durable cylinder liner and method of making the liner

1998-11-19

2000-04-04

McMahon, Marguerite

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

C23F 1700

Patent

active

060448210

ABSTRACT:
An improved cylinder liner, and method for making the liner, is provided which includes a top section and a bottom section connected by a friction weld. The top section is formed from a material having a higher resistance to wear and/or a higher resistance to thermal distortion while the bottom section is formed of a less expensive material thereby minimizing costs while achieving a durable liner. A liner durability and cost optimizing arrangement is provided which limits the predetermined axial extent of the top section to an area corresponding to the greatest amount of mechanical and thermal loading thereby limiting material costs, maintaining structural integrity and maximizing durability. The method of the present invention creates an effective seamless connection between the top and bottom sections while permitting materials of different resistance properties to be utilized to maximize durability and minimize costs.

REFERENCES:
patent: 982739 (1911-01-01), Moore
patent: 1512570 (1924-10-01), Andrews
patent: 1819759 (1931-08-01), Valletta
patent: 1836798 (1931-12-01), Hefti
patent: 3033183 (1962-05-01), Erickson
patent: 3452914 (1969-07-01), Oberle et al.
patent: 5701861 (1997-12-01), Hegemier et al.

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