Particulate filter for purifying exhaust gases of internal combustion engines comprising hot spot ceramic ignitors
US6989048B2 · kind B2 · utility
6Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2001 |
| Grant date | Jan 24, 2006 |
| Priority date | — |
| Expiry date | Dec 12, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/30
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A particulate filter for purifying exhaust gases of an internal combustion engine, in particular of a diesel engine, comprises a filtering body and heating elements for initiating combustion of soot particles accumulated on and in the filtering body. The heating elements comprise at least a hot spot ceramic ignitor (3). The invention is applicable in the automotive industry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.