Method for reducing deposits related to a reduction agent in a portion of an exhaust aftertreatment system
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United States of America Patent
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Jan 10, 2023
Grant Date -
Nov 3, 2022
app pub date -
Apr 28, 2022
filing date -
Apr 30, 2021
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Abstract
A method for reducing deposits related to a reduction agent (RA) in a portion of an exhaust aftertreatment system (EAS) of an internal combustion engine (ICE) and comprising an injector for injecting the RA into said EAS, said portion located downstream of said injector, as seen in an intended direction of flow of exhaust gas in said EAS, said method comprising:
- identifying for said ICE, a future operating sequence (FOS) comprising a first temporal portion (t1) and a second temporal portion (t2) subsequent to t1,confirming that said FOS is suitable for reducing deposits and that said ICE operates in accordance with said FOS,in response to said confirming being affirmative, injecting a first dosage (d1) of RA into said EAS during at least a part of said t1 and injecting a second dosage (d2) of RA smaller than d1 into said EAS during at least a part of t2.
First Claim
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- 15 United States
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Patent Owner(s)
- VOLVO TRUCK CORPORATION
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Korsgren, John | Hisings Kärra, SE | 4 | 79 |
Wilhelmsson, Martin | Gothenburg, SE | 19 | 2 |
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