Air assist fuel injector with multiple orifice plates
US6499674B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Dec 18, 2000 |
| Grant date | Dec 31, 2002 |
| Priority date | — |
| Expiry date | Dec 20, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M69/047
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel injector is provided. The fuel injector also includes a multi-layer orifice plate assembly located at the housing outlet. The orifice plate assembly includes a first orifice plate having a plurality of first openings extending therethrough and a second orifice plate disposed proximate to the first orifice plate. The second orifice plate includes a first face having a perimeter, and a plurality of channels extending radially therethrough to the longitudinal axis. The second orifice plate also includes a second face disposed opposite the first face and a plurality of second openings extending between the first face and the second face. The fuel injector also includes an air assist sleeve disposed about the housing proximate to the outlet. The air assist sleeve includes at least one air channel in communication with the plurality of channels. A method of providing a fuel/air mixture is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.