Method of controlling scavenging of the burnt gas of an indirect-injection engine, notably a supercharged engine, and engine using such a method
US7909025B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 16, 2006 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Sep 25, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a method of controlling an indirect-injection engine, notably a supercharged engine, in particular a spark-ignition engine, comprising at least one cylinder (10) including a combustion chamber (12), at least two air intake means (14, 16) comprising each a pipe (18, 20) controlled by an intake valve (22, 24), at least one fuel injection means (26, 28) associated with each intake means and at least one burnt gas exhaust means (30) with an exhaust valve (32), said engine running according to two intake modes, a mode with burnt gas scavenging and a mode without scavenging, characterized in that it consists in:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.