Method and apparatus for PM filter regeneration
US6981370B2 · kind B2 · utility
18Cited by
17References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2002 |
| Grant date | Jan 3, 2006 |
| Priority date | — |
| Expiry date | Jan 23, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for initiating regeneration of a particulate matter (PM) filter in an exhaust system in an internal combustion engine. The method and apparatus includes determining a change in pressure of exhaust gases passing through the PM filter, and responsively varying an opening of an intake valve in fluid communication with a combustion chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.