Fuel injection system
US4958610A · kind A · utility
11Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1989 |
| Grant date | Sep 25, 1990 |
| Priority date | — |
| Expiry date | Jan 10, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/21
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel injection system according to the present invention comprises a plunger disposed in a cylinder, an actuator in the form of a piezoelectric element for effecting reciprocation of the plunger, a fuel supply passage for admitting fuel to the cylinder, a plurality of pressurized fuel delivery passages for distributing pressurized fuel among a plurality of injection valves, solenoid valves for opening or closing the plurality of pressurized fuel delivery passages, and a control circuit for activating the actuator and the solenoid valves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.