Fuel injector
US6216964A · kind A · utility
5Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 1, 1999 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Jul 1, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M61/16
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel injector comprising a valve needle slidable within a bore formed in a nozzle body, the valve needle including an axially extending fuel supply passage which communicates with at least one outlet opening provided in the valve needle, the end of the supply passage adjacent the at least one outlet opening being closed by a plug. The plug has an inner end region which is arranged to be located, in use, adjacent the, or at least one of the, outlet openings, and shaped to modify the flow characteristics of the fuel flow upstream of at least one of the outlet openings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.