Pass-through catalytic substrate including porous ceramic beveled corner portions and methods
US8992821B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2014 |
| Grant date | Mar 31, 2015 |
| Priority date | — |
| Expiry date | Oct 20, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2330/34
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A pass-through catalytic substrate can comprise a plurality of porous ceramic substrate walls defining flow channels extending between an inlet end and an outlet end of the catalytic substrate. The pass-through catalytic substrate can include a plurality of porous ceramic beveled corner portions positioned at intersecting corners of the substrate walls within the flow channels. In one example, the porous ceramic beveled corner portions each include a heat capacity less than about 1.38 J/cm3/K. In another example, a catalytic washcoat layer can be provided for coating the porous ceramic substrate walls and the porous ceramic beveled corner portions. Methods for producing a pass-through catalytic substrate also provide porous ceramic beveled corner portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.