Method and apparatus for monitoring ash accumulation in a particulate filter of an emission abatement assembly
US7581389B2 · kind B2 · utility
23Cited by
45References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2004 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Dec 20, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method of monitoring ash buildup in a particulate filter includes determining particulate accumulation in the filters subsequent to filter regeneration to determine when the filter is in need of servicing to remove ash there from. An emission abatement assembly is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.