Coatings for use in fuel injector components
US7484672B2 · kind B2 · utility
3Cited by
44References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2004 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Jul 14, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7036
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A coating for fuel injector components adapted for use with low lubricity fuels is disclosed. The invention consists of a metal carbon material coating or a metal nitride coating to the fuel pump plunger or other fuel injection system components. The invention utilizes a coating on the fuel injector plunger that minimizes scuffing or seizure associated with the plunger and barrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.