Fuel injection device for internal combustion engines
US5540206A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 19, 1993 |
| Grant date | Jul 30, 1996 |
| Priority date | — |
| Expiry date | Aug 19, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel injection device for internal combustion engines has an injection nozzle to which fuel is supplied by means of a pressure device comprising a fuel-accelerating pump and a fuel-retarding device which, when activated, convert the kinetic energy of the accelerated fuel abruptly to a pressure shock wave which causes the fuel to be sprayed through the injection nozzle. According to the invention, an intermittently operated fuel-accelerating pump is used. This pump and the preferably electrically operated retarding device are preferably controlled by a common control device. As a result, the injection device can be operated with very little, optimally utilized energy and can inject fuel in a precisely controllable manner very quickly and when decoupled from the motorized operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.