Closed loop EGR control method and system using water content measurement
US7389771B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2006 |
| Grant date | Jun 24, 2008 |
| Priority date | — |
| Expiry date | Aug 30, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present invention provides an internal combustion engine system that includes an internal combustion engine system includes an internal combustion engine having an intake manifold fluidly coupled to a compressor adapted to receive ambient air through an air conduit of the engine, a first sensor positioned at least one of inside and outside the air conduit and configured to measure a first water content in the ambient air, and a second sensor positioned at least one of inside the intake manifold and upstream of the intake manifold and configured to measure a second water content in the intake manifold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.