Needle alignment fuel injector
US6938839B2 · kind B2 · utility
5Cited by
16References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2002 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Jun 11, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M51/0675
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel injector includes a valve body and a valve seat positioned at a lower end of the valve body. A needle assembly is positioned within an inner bore of the valve body, the needle assembly including a needle body and an armature connected to an upper end of the needle body. A pair of guides are integrally formed with the valve body for guiding the needle assembly. The pair of guides includes an upper guide and a lower guide; the upper guide guiding the armature and the lower guide guiding the needle body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.