Piston with a skirt having a low coefficient of friction

Details Piston with a skirt having a low coefficient of friction Piston with a skirt having a low coefficient of friction

2007-08-14

2007-08-14

McMahon, Marguerite (Department: 3747)

Internal-combustion engines

Particular piston and enclosing cylinder construction

Piston

C029S888048

Reexamination Certificate

active

11332474

ABSTRACT:
A piston for an internal combustion motor has a skirt with a surface, which is at least partially polished and thereafter coated with a coating having a hardness of greater than 8 GPa and having a coefficient of friction of less than 0.20. The piston has an increased performance, a longer lifetime and a reduced friction.

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PCT Written Opinion of International Search Report dated Feb. 2, 2006, in PCT application No. PCT/EP2004/050340, filed Mar. 22, 2004 (5 pages).

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