Ceramic honeycomb filter
US7090714B2 · kind B2 · utility
14Cited by
13References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2003 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | Dec 23, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The ceramic honeycomb filter having a plurality of honeycomb structures each having an outer wall and a large number of flow paths partitioned by cell walls inside the outer wall, which are bonded to each other in the direction of the flow paths, desired flow paths on exhaust gas inlet and outlet sides being sealed, wherein at least one plug on an exhaust inlet side is disposed at a position inside the filter separate from an inlet end surface of the filter; and wherein inlet-side plugs are formed at desired positions of end portions of at least one honeycomb structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.