Regeneration control method for a particle filter
US8020376B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2006 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Oct 6, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A regeneration control method for a particle filter of an internal combustion engine exhaust line determines operating data items of the particle filter, wherein the data items are at least one representative inside temperature T(t) of the filter at a time t, regenerates the filter by increasing the temperature thereof above a first combustion temperature threshold of a soot contained in the filter, and computes a time-varying parameter dinst(t) representative for the amount of energy produced at the time t by the regeneration process. The method further calculates a weighted parameter Dinst weight(t), which is at least partially defined by the function of dinst(t)*Gtemp (t) or Gtemp (t) and varying in time (t) according to the representative temperature T(t).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.