Single dump single solenoid fuel injector
US4467963A · kind A · utility
9Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1984 |
| Grant date | Aug 28, 1984 |
| Priority date | — |
| Expiry date | Jan 24, 2004 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M61/205
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A unit injector having a mechanically driven piston and a remotely situated metering piston situated in a bore. The interplunger volume defining a timing chamber and the volume below the metering piston defining a metering chamber. The injector further including a single electrically responsive valve for controlling the functions of injection timing and fuel metering and a single dump port fabricated in the walls of the bore for relieving the fuel pressure on the timing chamber which correspondingly permits the pressure of fuel in the metering chamber to be decreased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.