Thermal shock resistant soot filter
US8092579B2 · kind B2 · utility
2Cited by
57References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2008 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Jul 19, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A ceramic honeycomb filter having improved thermal shock resistance is comprised of a ceramic honeycomb filter that has a heat absorbing material that undergoes a reversible phase change that absorbs at least in part the heat energy, for example, arising from the combustion of Diesel soot entrapped in the filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.