Monolith-holding element, process for producing the same, catalytic converter using a monolith member and process for producing the same
US5996228A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Apr 11, 1997 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Apr 11, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49345
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A monolith-holding element adapted to be used in an exhaust system of internal combustion engines, a process for producing the monolith-holding element, a catalytic converter and a process for producing the catalytic converter are disclosed, in which the specific monolith-holding element is produced by uniformly dispersing an organic binder in a compressed alumina fiber mat, exhibits a thickness-restoring property when the organic binder is thermally decomposed by the contact with a high-temperature exhaust gases, and supports a monolith by exerting a surface pressure on an outer peripheral surface of the monolith and an inner peripheral surface of the metal casing. The monolith-holding element has an excellent durability and gas-sealing properties and the catalytic converter can withstand severe vibration and impact for a long period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.