Particulate matter detection strategy in exhaust filter
US8783011B2 · kind B2 · utility
1Cited by
8References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 15, 2011 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Feb 21, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Detecting particulate matter in an exhaust filter includes receiving data indicative of a time delay between transmission and reception of electromagnetic energy propagated through trapped particulate matter, and outputting a signal indicative of an amount of the trapped particulate matter responsive to the data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.