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.
Type:
Grant
Filed:
January 17, 2006
Date of Patent:
August 14, 2007
Assignee:
Sorevi S.A.
Inventors:
Jérémy Savale, Marc Hervé, François Vérinaud