Method and system for controlling an ammonia coverage degree profile
B Johansson, A Larsson, B Westerberg - US Patent 11,035,274, 2021 - Google Patents
A method (and a system that executes the method) for control of at least one sectional
ammonia coverage degree profile NH3_profile for at least one SCR catalyst included in an …
ammonia coverage degree profile NH3_profile for at least one SCR catalyst included in an …
Reductant concentration diagnostic systems and methods
VR Rajagopal, F Farid, J Gong - US Patent 11,105,245, 2021 - Google Patents
A system for diagnosing an improper reductant concentration includes: a selective catalytic
reduction (SCR) catalyst unit, a doser configured to dose reductant into a chamber of the …
reduction (SCR) catalyst unit, a doser configured to dose reductant into a chamber of the …
System for controlling the total emissions produced by a multi-engine power system
Y Zhang, MA Snopko, PD Converse… - US Patent …, 2018 - Google Patents
A power system for powering a load is provided. The power system includes a plurality of
power sources with each power source including an engine. A SCR system is associated …
power sources with each power source including an engine. A SCR system is associated …
Method and system for optimizing fuel and reductant consumption
JK Light-holets - US Patent 9,103,248, 2015 - Google Patents
(54) METHOD AND SYSTEM FOR OPTIMIZING 41/0235 (2013.01); F02D 41/1406
(2013.01); FUEL AND REDUCTANT CONSUMIPTION F02D 2200/0625 (2013.01); Y02T …
(2013.01); FUEL AND REDUCTANT CONSUMIPTION F02D 2200/0625 (2013.01); Y02T …
Method pertaining to an SCR system and an SCR system
A Liljestrand - US Patent 9,822,686, 2017 - Google Patents
A method for an SCR system comprising a dosing unit (250) for dosing reducing agent into
an engine exhaust duct (290) upstream of a SCR catalytic converter (270) for reducing the …
an engine exhaust duct (290) upstream of a SCR catalytic converter (270) for reducing the …
Method of Diagnosing a Combustion Engine Assembly, Control Arrangement, Combustion Engine Assembly, and Vehicle
M Lundström - US Patent App. 18/239,347, 2024 - Google Patents
A method of diagnosing an operational performance of a combustion engine assembly is
disclosed, the combustion engine assembly comprising a combustion engine, and an …
disclosed, the combustion engine assembly comprising a combustion engine, and an …
Exhaust aftertreatment system
N Suchta, JA Lymburner - US Patent 11,608,763, 2023 - Google Patents
F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering
innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic …
innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic …
Method for controlling the operation of an engine system in a vehicle
J Dahl - US Patent 11,739,674, 2023 - Google Patents
A method for controlling the operation of an engine system in a vehicle. The engine system
including an engine and an exhaust aftertreatment system having an SCR catalyst and a …
including an engine and an exhaust aftertreatment system having an SCR catalyst and a …
Method for detecting a blocked pressure line
A Braeuer, F Dencker - US Patent 10,900,401, 2021 - Google Patents
A method of detecting a blocked pressure line in an internal combustion engine SCR
system, which includes a feed pump, a dosing module, a pressure sensor, and an electronic …
system, which includes a feed pump, a dosing module, a pressure sensor, and an electronic …