Exhaust gas cleaning element
US4404007A · kind A · utility
49Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1981 |
| Grant date | Sep 13, 1983 |
| Priority date | — |
| Expiry date | Dec 8, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24157
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved exhaust gas cleaning element comprising a ceramic honeycomb structure body having inner wall surfaces defining plural cells, each cell defining a passageway through which exhaust gas flows, characterized in that a multiplicity of arranged projections are provided over the entire wall surfaces of the cells in the structure body, the projections extending into the exhaust gas passageway, and the wall surfaces having a multiplicity of through-holes communicating with the adjoining cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.