Catalyst-type exhaust gas purifying device
US3938959A · kind A · utility
9Cited by
13References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1973 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Oct 12, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24149
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst-type exhaust gas purifying device utilizing a monolithic catalyzing element defining a plurality of exhaust gas passages therein. The catalyzing element is disposed within a cylindrical housing. Heat insulating spaces are provided by at least one circumferential row of bores disposed near the outer periphery of said catalyzing element and closed at the opposite ends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.