Fuel injector-pump unit with hydraulic needle fuel injector
US4317541A · kind A · utility
12Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 10, 1980 |
| Grant date | Mar 2, 1982 |
| Priority date | — |
| Expiry date | Jul 10, 2000 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M47/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A jerk type fuel injector-pump unit has a hydraulic needle fuel injector and a plunger rotatably and reciprocably journaled in a bushing to supply pressurized fuel to the injector with a feed-bleed hydraulic circuit incorporated in the plunger and wall of the bushing to control operation of the hydraulic needle whereby to control injection timing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.