Solid state lift for micrometering in a fuel injector
US6363913B1 · kind B1 · utility
7Cited by
21References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2000 |
| Grant date | Apr 2, 2002 |
| Priority date | — |
| Expiry date | Jun 9, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M51/0607
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel injector performs main fuel injection by raising fuel pressure in a nozzle chamber to lift a check valve member to a fully open position, and performs preinjection or microinjection by operating a solid state motor to lift the check valve member a much smaller distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.