Method of injecting fuel into the combustion chambers of an internal combustion engine, and fuel injection system for said engine
US6805102B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2003 |
| Grant date | Oct 19, 2004 |
| Priority date | — |
| Expiry date | Sep 22, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/315
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method and a system are provided for injecting fuel into the combustion spaces of an internal-combustion engine, in which case the injection system contains a number of fuel injectors each comprising an injection valve and a common feed and storage line supplying the individual fuel injectors with highly pressurized fuel. The beginning and the end of the injection of the fuel into the combustion chamber are controlled by opening and closing the injection valve. A defined lowering of the fuel pressure existing in the fuel injector takes place during the injection, so that the pressure which rises because of the ram pressure during the closing of the injection valve at the end of the injection in the fuel injector does not exceed a defined value, particularly preferably the system pressure of the fuel injection system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.