Diesel engine injection timing signal interceptor module
US6725148B1 · kind B1 · utility
2Cited by
14References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2002 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Nov 28, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A diesel engine injection timing signal interceptor module comprised of a micro-controller-based control module and interface circuitry that intercepts engine speed and position signals from engine sensors and produces output signals which are shifted in time (advanced or retarded) relative to the sensor signals. By controlling the amount of time shift, the interceptor manipulates fuel injection timing. Use of the interceptor module provides the ability to reduce NOx emissions while achieving acceptable fuel consumption, without having to change the engine's sensors, electronic controller or fuel injectors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.