Fuel injector including outer valve needle and inner valve needle slidable within a passage provided in the outer valve needle
US6260775A · kind A · utility
14Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1999 |
| Grant date | Jul 17, 2001 |
| Priority date | — |
| Expiry date | Jun 11, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/46
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel injector includes a first needle, and a second needle slidable within a passage formed in the first needle. The needles are engageable with respective seatings to control fuel delivery through respective groups of outlet openings. A load transmitter is provided whereby movement of the first needle can be transmitted to the second needle. An alternative injector includes a second needle provided with formations defining an integral resilient biasing arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.