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EXHAUST AFTER-TREATMENT SYSTEM WITH ADJUSTABLE FLOW PATH, AND METHOD FOR OPERATING SUCH AN EXHAUST AFTER-TREATMENT SYSTEM
EXHAUST AFTER-TREATMENT SYSTEM WITH ADJUSTABLE FLOW PATH, AND METHOD FOR OPERATING SUCH AN EXHAUST AFTER-TREATMENT SYSTEM
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机译:具有可调流动路径的排气后处理系统以及用于操作这种排气后处理系统的方法
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摘要
An exhaust after-treatment system includes a first set of exhaust after-treatment components, a second set of exhaust after-treatment components, an inlet to the exhaust after-treatment system, an outlet from the exhaust after-treatment system, and a valve and conduit arrangement configurable in a plurality of modes, in a first mode, exhaust gas entering the inlet flows through the second set of exhaust after-treatment components, then through the first set of exhaust after-treatment components, and then through the outlet. In a second mode, exhaust gas entering the inlet flows through the second set of exhaust after-treatment components without flowing through the first set of exhaust after-treatment components, and then through the outlet in a third mode, exhaust gas entering the inlet flows through the first set of exhaust after-treatment components, then through the second set of exhaust after-treatment components, and then through the outlet.
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