Fuel injector with direct-controlled injection valve member
US7455244B2 · kind B2 · utility
15Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 2, 2004 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | Jul 6, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/704
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel injector for injecting fuel into a combustion chamber of an internal combustion engine, the injector having body and a nozzle holder in which an injection valve member is movably received, which injection valve member has a seat that opens or closes injection openings, and the injection valve member is actuatable via a piezoelectric actuator. The piezoelectric actuator actuates a first booster piston, in which a second booster piston, connected to the injection valve member is guided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.