EXHAUST GAS-PURIFYING SYSTEM AND AUTOMOTIVE VEHICLE
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United States of America
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Feb 20, 2020
app pub date -
Oct 24, 2019
filing date -
Oct 24, 2019
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Abstract
An exhaust gas-purifying system includes an exhaust gas-purifying unit that includes one or more exhaust gas-purifying catalysts, is supplied with the exhaust gas from a combustion engine, and purifies the exhaust gas so that the exhaust gas can be released to the atmosphere, a sensor that detects a concentration of nitrogen oxides contained in the purified exhaust gas, and a processing section that makes a judgment with respect to at least one of the exhaust gas-purifying catalysts, as to whether or not a performance is maintained at a sufficient level, based on the concentration detected by the sensor.
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