trap aftertreat systems
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United States of America Patent
Stats
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Oct 29, 2014
filing date -
Oct 29, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An aftertreatment system utilizes chemical reactions to treat an exhaust gas flow. A system for aftertreatment of the exhaust gas flow includes a NOx sensor configured to monitor within the exhaust gas flow one of a lambda value and a NOx concentration value and a computerized processor device configured to calibrate the monitored value for presence of one of NH3, H2, and hydrocarbons. In one embodiment, the system further includes a pair of NOx sensors, each monitoring both a lambda value and a NOx concentration value. In another embodiment, the system controls the aftertreatment based upon the calibrated values.
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- G01N Class
- 40.30 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 9, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 9, 2029 |
