A METHOD FOR CONTROLLING AN EXHAUST FLOW IN AN EXHAUST AFTERTREATMENT SYSTEM (EATS) OF A VEHICLE
The present invention relates to a method for controlling exhaust flow in an EATS (100) of a vehicle (1). A NOx sensor output parameter is monitored. It is determined that the NOx sensor output parameter is below a limit. When the NOx sensor output parameter is below the limit, it is determined that...
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| creator | HÖGSTRÖM, Åsa SVRAKA, Irman |
| description | The present invention relates to a method for controlling exhaust flow in an EATS (100) of a vehicle (1). A NOx sensor output parameter is monitored. It is determined that the NOx sensor output parameter is below a limit. When the NOx sensor output parameter is below the limit, it is determined that a first part of the exhaust flow should bypass at least a first area of the SCR unit (105) and that a second part of the exhaust flow should be inputted to at least the first area of the SCR unit (105). It is initiated that the first part is bypassed and that the second part is inputted to at least the first area of the SCR unit (105). An amount of reductant that should be added to the second part of the exhaust flow is determined. Addition of the amount of reductant is initiated. |
| format | Patent |
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A NOx sensor output parameter is monitored. It is determined that the NOx sensor output parameter is below a limit. When the NOx sensor output parameter is below the limit, it is determined that a first part of the exhaust flow should bypass at least a first area of the SCR unit (105) and that a second part of the exhaust flow should be inputted to at least the first area of the SCR unit (105). It is initiated that the first part is bypassed and that the second part is inputted to at least the first area of the SCR unit (105). An amount of reductant that should be added to the second part of the exhaust flow is determined. 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A NOx sensor output parameter is monitored. It is determined that the NOx sensor output parameter is below a limit. When the NOx sensor output parameter is below the limit, it is determined that a first part of the exhaust flow should bypass at least a first area of the SCR unit (105) and that a second part of the exhaust flow should be inputted to at least the first area of the SCR unit (105). It is initiated that the first part is bypassed and that the second part is inputted to at least the first area of the SCR unit (105). An amount of reductant that should be added to the second part of the exhaust flow is determined. 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A NOx sensor output parameter is monitored. It is determined that the NOx sensor output parameter is below a limit. When the NOx sensor output parameter is below the limit, it is determined that a first part of the exhaust flow should bypass at least a first area of the SCR unit (105) and that a second part of the exhaust flow should be inputted to at least the first area of the SCR unit (105). It is initiated that the first part is bypassed and that the second part is inputted to at least the first area of the SCR unit (105). An amount of reductant that should be added to the second part of the exhaust flow is determined. Addition of the amount of reductant is initiated.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BLASTING ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS |
| title | A METHOD FOR CONTROLLING AN EXHAUST FLOW IN AN EXHAUST AFTERTREATMENT SYSTEM (EATS) OF A VEHICLE |
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