Patent · US Active

Friction piece operating in a lubricated medium

US9284509B2 · kind B2 · utility

0Cited by

2References

4Claims

0Family size

Assignee

H.E.F. · FR

Inventors

Philippe Maurin-Perrier · Saint-Marcellin-en-Forez, FR
Christophe Heau · Orange, FR

Key dates

Filing date	Oct 3, 2012
Grant date	Mar 15, 2016
Priority date	—
Expiry date	Dec 2, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2080/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The lubricated environment incorporates a friction modifier, and a coating is applied to the part. The coating is chromium nitride and the friction modifier is MoDTC. The chromium nitride presents an NaCl-type crystallization and a microhardness of 1,800+/−200 HV.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.